PREFIX fb: <http://rdf.freebase.com/ns/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT ?child ?childLabel WHERE {
  fb:m.029f79 fb:people.person.children ?child .
  OPTIONAL {
    ?child rdfs:label ?childLabel FILTER ( lang( ?childLabel ) = 'en' )
  }
}

Got 2 rows and 2 columns:
| child                             | childLabel              |
| --------------------------------- | ----------------------- |
| Summer Rose Terry (fb:m.0j51lwj)  | Summer Rose Terry (en)  |
| Georgie John Terry (fb:m.0j51lwr) | Georgie John Terry (en) |

John Terry's children are:
- Summer Rose Terry (IRI: http://rdf.freebase.com/ns/m.0j51lwj)
- Georgie John Terry (IRI: http://rdf.freebase.com/ns/m.0j51lwr)
These names are shown in English, along with their IRIs.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] what are john terry's children called?

[Assistant]
To answer this question, I need to:

1. Identify the correct entity for "John Terry" in Freebase.
2. Find the property that links John Terry to his children.
3. Retrieve the names (labels) of his children.

Let's start by searching for the entity "John Terry" in Freebase.

[Tool]
Top 10 entity alternatives:
1. John Terry, also known as John George Terry (fb:m.029f79): John George Terry is an English professional footballer who play...helsea and is also the club's all-time highest scoring defender., has type Football player
2. John Terry (fb:m.070td6): John Terry is an American film, television, and stage actor. He ...n the TV series Lost and Larry McCoy in the TV series Las Vegas., has type TV Actor
3. Winifred Terry, also known as W. Terry, Winford E. Terry, Winford, J. Terry, W.E. Terry (fb:m.03f7qdg): Winifred Terry is a musician., has type Composer
4. John H. Terry, also known as John Terry (fb:m.0ksnd6): John Hart Terry was an American lawyer and politician from New York., has type U.S. Congressperson
5. John Terry (fb:m.02vyghh): John Baxter Terry was a Major League Baseball pitcher who played...Terry was born in Fairfax, Iowa, and died in Cedar Rapids, Iowa., has type Baseball Player
6. John Terry (fb:m.0fnyn1): John Terry was an Olympic weightlifter for the United States., has type Olympic athlete
7. Terry John (fb:m.0l1ypqs): Terry John is an actor., has type Film actor
8. John Terry (fb:m.02pzkdk): John Terry was an early settler and pioneer farmer in New Norfol...perty he called 'Askrigg', named after the village of his birth., has type Deceased Person
9. John Terry (fb:m.03gyh4g): John Terry was a Church of England clergyman and anti-Catholic c...ltshire in 1590. The Triall of Truth attacked Roman Catholicism., has type Deceased Person
10. John Terry (fb:m.05xysgz): has type Author

[Assistant]
The most likely entity for the footballer John Terry is fb:m.029f79 ("John George Terry", English professional footballer for Chelsea).

Next, I need to find the property that links John Terry to his children. I'll search for properties related to "children" for this entity.

[Tool]
Top 10 property alternatives:
1. Children (fb:people.person.children): part of Person schema, links to type Person
2. Siblings (fb:people.person.sibling_s): links to type Sibling Relationship, part of Person schema
3. Parents (fb:people.person.parents): part of Person schema, links to type Person
4. Teams (fb:sports.pro_athlete.teams): links to type Sports team roster, part of Athlete schema
5. Image (fb:common.topic.image): part of Topic schema, links to type Image
6. Gender (fb:people.person.gender): part of Person schema, links to type Gender
7. Height (fb:people.person.height_meters): links to type Floating Point Number, part of Person schema
8. Name (fb:type.object.name): part of Object schema, links to type Text
9. Description (fb:common.topic.description): part of Topic schema, links to type Text
10. Position(s) (fb:soccer.football_player.position_s): links to type Football Position, part of Football player schema

No other items found

[Assistant]
The property fb:people.person.children is the correct one to use for finding John Terry's children.

Now, I will write a SPARQL query to get the IRIs and names (labels) of John Terry's children using this property.

[Tool]
Got 6 rows and 2 columns:
| child                             | childLabel              |
| --------------------------------- | ----------------------- |
| Summer Rose Terry (fb:m.0j51lwj)  | Summer Rose Terry (de)  |
| Summer Rose Terry (fb:m.0j51lwj)  | Summer Rose Terry (en)  |
| Summer Rose Terry (fb:m.0j51lwj)  | Summer Rose Terry (tr)  |
| Georgie John Terry (fb:m.0j51lwr) | Georgie John Terry (de) |
| Georgie John Terry (fb:m.0j51lwr) | Georgie John Terry (en) |
| Georgie John Terry (fb:m.0j51lwr) | Georgie John Terry (tr) |

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The SPARQL query correctly retrieves the IRIs of John Terry's children, fulfilling the requirement to return identifiers. However, the answer provided to the user only includes the names, not the IRIs, and the query does not attempt to retrieve the labels (names) of the children. For completeness and clarity, the query should also retrieve the rdfs:label of each child using an OPTIONAL clause, so that both the IRIs and the names are available in the result. This would make the answer more robust and directly tied to the query output.

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The answer is correct in terms of identifying John Terry's children and providing their IRIs and names. However, the SPARQL query retrieves multiple labels for each child in different languages, resulting in duplicate IRIs with different labels. To refine the query, it should filter for a single language (e.g., English) or group by child to avoid duplicate rows. This would make the output cleaner and more directly answer the user's question about the names of the children.

[Tool] Stopped generation process


PREFIX fb: <http://rdf.freebase.com/ns/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT ?language ?label WHERE {
  fb:m.0chghy fb:location.country.languages_spoken ?language .
  OPTIONAL {
    ?language rdfs:label ?label .
    FILTER ( lang( ?label ) = 'en' )
  }
}

Got 3 rows and 2 columns:
| language                        | label                   |
| ------------------------------- | ----------------------- |
| English Language (fb:m.02h40lc) | English Language (en)   |
| Esperanto Language (fb:m.02jcw) | Esperanto Language (en) |
| Lojban (fb:m.04gd7)             | Lojban (en)             |

According to Freebase, the languages spoken in Australia are English, Esperanto, and Lojban. However, Freebase does not distinguish between official, national, or minority languages in this property. In practice, English is the de facto official and primary language spoken by the vast majority of Australians. Esperanto and Lojban are likely included due to minor communities or linguistic interest, and are not widely spoken. These results reflect the data available in Freebase and may not represent the actual linguistic demographics or official status.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] what do people in australia speak?

[Assistant]
Let's break down the question:

1. The question asks about the languages spoken by people in Australia.
2. We need to identify the entity for "Australia" and find properties related to "language spoken" or "official language" or similar.
3. First, let's search for the entity "Australia" in Freebase.

I'll start by searching for the entity "Australia".

[Tool]
Top 10 entity alternatives:
1. Australia, also known as Commonwealth of Australia, The Commonwealth of Australia (fb:m.0chghy): Australia, officially the Commonwealth of Australia, is an Ocean...e six colonies federated, forming the Commonwealth of Australia., has type Country
2. Australian Continent, also known as Australia, Down Under (fb:m.09pkq0): Australia, sometimes known in technical contexts by the names Sa...o the now-separate islands are considered part of the continent., has type Continent
3. Australia, also known as Austrália (fb:m.026qnh6): Australia is a 2008 Australian-American-British epic historical ...tes throughout late December 2008 and January and February 2009., Australia is an Australian romance film-epic film directed by Ba...o face the bombing of Darwin, Australia, by the Japanese forces., has type Award-Winning Work
4. Government of Australia, also known as Australia, Australian Government (fb:m.04jrx3): The Government of the Commonwealth of Australia, also referred t...presentative democracy, with important elements of both present., has type Organization founder
5. Australia, also known as Sehnsucht nach Australien (fb:m.09rtv7m): Australia is a 1989 film directed by Jean-Jacques Andrien., has type Film
6. Australia (fb:m.0pylm8): has type Musical Recording
7. Muscles, also known as Australia (fb:m.0cj7gw3): Muscles is a 2009 short film written and directed by Edward Housden., has type Film
8. Australia, also known as Australia, Australia (single version) (fb:m.0qww94): has type Musical Recording
9. Australia (fb:m.0kpg4sd): "Australia" was released by Manic Street Preachers on 2 December... later feature on the Lipstick Traces compilation album in 2003., Australia is a song by Manic Street Preachers., Australia is a composition., has type TV theme song
10. Australia (fb:m.0c8xkn): Australia: Aufbruch ins Abenteuer is a board game intended for t...develop several national parks, and other conservation projects., has type Game

[Assistant]
The most relevant entity for the country Australia is "fb:m.0chghy" (Australia, also known as Commonwealth of Australia, The Commonwealth of Australia).

Next, I need to find properties related to languages spoken by the people of Australia. I'll search for properties related to "language" for this entity.

[Tool]
Top 10 property alternatives:
1. Languages spoken (fb:location.country.languages_spoken): links to type Human Language, part of Country schema
2. Type (fb:base.biblioness.bibs_location.loc_type): part of Bibs Location schema, links to type Text
3. Type (fb:type.object.type): part of Object schema, links to type Type
4. Subjects (fb:common.topic.subjects): part of Topic schema, links to type Topic
5. Adjectival form (fb:location.location.adjectival_form): part of Location schema, links to type Text
6. Adjectival form (fb:freebase.linguistic_hint.adjectival_form): part of Linguistic hint schema, links to type Text
7. Adjectival form (fb:base.aareas.schema.administrative_area.adjectival_form): part of Administrative Area schema, links to type Text
8. Flag (fb:symbols.flag_referent.flag): part of Flag referent schema, links to type Flag use
9. Subject of (fb:common.topic.subject_of): part of Topic schema, links to type Topic
10. Religions (fb:location.statistical_region.religions): links to type Religion percentage, part of Statistical region schema

No other items found

[Assistant]
The property "Languages spoken" (fb:location.country.languages_spoken) is the most relevant for finding out what languages are spoken in Australia.

Next, I will construct a SPARQL query to retrieve the languages spoken in Australia using this property. I will also try to get the labels (names) of the languages for better readability.

[Tool]
Got 115 rows and 2 columns, showing the first 5 and last 5 rows below:
| language                        | language_label  |
| ------------------------------- | --------------- |
| English Language (fb:m.02h40lc) | Anglais (fr)    |
| English Language (fb:m.02h40lc) | Anglès (ca)     |
| English Language (fb:m.02h40lc) | Angleščina (sl) |
| English Language (fb:m.02h40lc) | Angličtina (cs) |
| English Language (fb:m.02h40lc) | Angličtina (sk) |
| ...                             | ...             |
| Lojban (fb:m.04gd7)             | لوجبان (ar)     |
| Lojban (fb:m.04gd7)             | 로지반 (ko)        |
| Lojban (fb:m.04gd7)             | ロジバン (ja)       |
| Lojban (fb:m.04gd7)             | 逻辑语 (zh)        |
| Lojban (fb:m.04gd7)             | 邏輯語 (zh-Hant)   |

[Tool]
Got 3 rows and 1 column:
| language                        |
| ------------------------------- |
| English Language (fb:m.02h40lc) |
| Esperanto Language (fb:m.02jcw) |
| Lojban (fb:m.04gd7)             |

[Tool]
Got 3 rows and 2 columns:
| language                        | label                   |
| ------------------------------- | ----------------------- |
| English Language (fb:m.02h40lc) | English Language (en)   |
| Esperanto Language (fb:m.02jcw) | Esperanto Language (en) |
| Lojban (fb:m.04gd7)             | Lojban (en)             |

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The SPARQL query is mostly correct in that it retrieves the languages spoken in Australia according to Freebase. However, the answer could be refined in two ways:

1. The query currently retrieves all languages linked to Australia in Freebase, but it does not distinguish between official, national, or minority languages. The answer should clarify that English is the de facto official language, and Esperanto and Lojban are likely included due to minor communities or linguistic interest, not as widely spoken languages.

2. The query retrieves both the IRI and the label, which is correct. However, the answer should make it clear that these are the languages as per the Freebase data, and may not reflect the actual linguistic demographics or official status.

Suggestion: If possible, refine the query to indicate which language is the main or official language, or clarify in the answer that English is the primary language spoken by the majority of the population.

[Assistant]
Thank you for the feedback. Here’s how I’ll refine the answer and approach:

1. Freebase links Australia to three languages: English, Esperanto, and Lojban. However, it does not explicitly distinguish between official, national, or minority languages in the property used.
2. English is the de facto official and primary language spoken by the majority of Australians. Esperanto and Lojban are likely included due to minor communities or linguistic interest.
3. I will clarify in the answer that these results are from Freebase and may not reflect official status or actual linguistic demographics.

I will also check if there is a property in Freebase that distinguishes "official language" or "national language" for Australia, to see if I can refine the query further.

Let me search for properties related to "official language" for the entity Australia.

[Tool]
Top 10 property alternatives:
1. Languages spoken (fb:location.country.languages_spoken): links to type Human Language, part of Country schema
2. Government (fb:government.governmental_jurisdiction.government): part of Governmental Jurisdiction schema, links to type Government
3. Government bodies (fb:government.governmental_jurisdiction.government_bodies): part of Governmental Jurisdiction schema, links to type Governmental Body
4. Form of Government (fb:location.country.form_of_government): links to type Form of Government, part of Country schema
5. Governing officials (fb:government.governmental_jurisdiction.governing_officials): part of Governmental Jurisdiction schema, links to type Government Position Held
6. Official website (fb:common.topic.official_website): part of Topic schema, links to type URI
7. Flag (fb:symbols.flag_referent.flag): part of Flag referent schema, links to type Flag use
8. Government positions (fb:government.governmental_jurisdiction.government_positions): links to type Government Office or Title, part of Governmental Jurisdiction schema
9. National anthem (fb:location.country.national_anthem): links to type National anthem of a country, part of Country schema
10. Administrative Divisions (fb:location.country.administrative_divisions): links to type Administrative Division, part of Country schema

No other items found

[Assistant]
There is no explicit "official language" property for Australia in Freebase. The only relevant property is "Languages spoken," which does not distinguish between official, national, or minority languages.

Given this, the best approach is to clarify in the answer that:
- The query retrieves all languages listed as spoken in Australia according to Freebase.
- English is the de facto official and primary language, while Esperanto and Lojban are included due to minor communities or linguistic interest.
- Freebase does not explicitly mark any language as official for Australia.

Here is the refined SPARQL query and answer.

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves the IRIs of the languages spoken in Australia according to Freebase, along with their English labels in an optional clause. The answer accurately reflects the query results and provides appropriate context regarding the limitations of the data. No further refinement is needed.


PREFIX fb: <http://rdf.freebase.com/ns/>
SELECT ?geocode ?lat ?long ?continent WHERE {
  fb:m.04hhv fb:location.location.geolocation ?geocode .
  OPTIONAL {
    ?geocode fb:location.geocode.latitude ?lat .
  }
  OPTIONAL {
    ?geocode fb:location.geocode.longitude ?long .
  }
  OPTIONAL {
    fb:m.04hhv fb:base.locations.countries.continent ?continent .
  }
}

Laos is located in Asia at approximately latitude 17.97 and longitude 102.6.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] where is laos in world map?

[Assistant]
Let's break down the question:

1. The user is asking about the location of Laos on the world map.
2. In a knowledge graph context, this typically means finding the geographic coordinates (latitude and longitude) or a description of its location (e.g., continent, region).

Step 1: Identify the entity "Laos" in Freebase.

I'll search for "Laos" to find its entity IRI.

[Tool]
Top 10 entity alternatives:
1. Laos, also known as Lao People's Democratic Republic, 라오스 (fb:m.04hhv): Laos, officially the Lao People's Democratic Republic, is a land...y, when the Communist Pathet Lao movement came to power in 1975., has type Country
2. L.A.O.S., also known as L.A.O.S, Laos (fb:m.03f7n4c): has type Musical Group
3. Laos (fb:m.0c6zpyg): has type Book Edition
4. Laos (fb:m.07ly7_4): Tony has always been fascinated by Asia. This time he's visiting... investigate its history, culture and unique culinary offerings., has type TV Episode
5. Laos (fb:m.010p7cnf): Laos is a drama film directed by Im Jeong-hwan., has type Film
6. Laos (fb:m.04w9s71): has type Book
7. Laos (fb:m.0y9wgg_): has type Musical Recording
8. Laos (fb:m.011mgbw): has type Musical Recording
9. Laos (fb:m.0rfqfn4): has type Musical Recording
10. Laos (fb:m.0q5lh_b): has type Musical Recording

[Assistant]
The most relevant entity for the country Laos is fb:m.04hhv.

Next, I need to find properties related to its geographic location, such as coordinates or region. I'll search for properties related to "location" or "coordinates" for this entity.

[Tool]
Top 10 property alternatives:
1. Geolocation (fb:location.location.geolocation): part of Location schema, links to type Geocode
2. Capital (fb:location.country.capital): links to type City/Town/Village, part of Country schema
3. Time zone(s) (fb:location.location.time_zones): links to type Time Zone, part of Location schema
4. Adjoins (fb:location.location.adjoin_s): links to type Adjoining Relationship, part of Location schema
5. Flag (fb:symbols.flag_referent.flag): part of Flag referent schema, links to type Flag use
6. Key (fb:type.object.key): part of Object schema, links to type Key
7. Type (fb:base.biblioness.bibs_location.loc_type): part of Bibs Location schema, links to type Text
8. Type (fb:type.object.type): part of Object schema, links to type Type
9. Area (fb:location.location.area): links to type Floating Point Number, part of Location schema
10. Continent (fb:base.locations.countries.continent): links to type Continents, part of Countries schema

No other items found

[Assistant]
The most relevant property for geographic coordinates is "Geolocation" (fb:location.location.geolocation). Additionally, "Continent" (fb:base.locations.countries.continent) can provide regional context.

Next, I'll check what type of value the "Geolocation" property returns for Laos, to see if it gives latitude and longitude.

[Tool]
Got 1 row and 3 columns:
| subject           | property                                       | object       |
| ----------------- | ---------------------------------------------- | ------------ |
| Laos (fb:m.04hhv) | Geolocation (fb:location.location.geolocation) | fb:m.046vy25 |

[Assistant]
The "Geolocation" property for Laos points to another entity: fb:m.046vy25. This is likely a geocode entity containing latitude and longitude.

I'll now list the properties of fb:m.046vy25 to find the latitude and longitude values.

[Tool]
Got 4 rows and 3 columns:
| subject      | property                                  | object                        |
| ------------ | ----------------------------------------- | ----------------------------- |
| fb:m.046vy25 | Type (fb:type.object.type)                | Geocode (fb:location.geocode) |
| fb:m.046vy25 | Latitude (fb:location.geocode.latitude)   | 17.966667                     |
| fb:m.046vy25 | Longitude (fb:location.geocode.longitude) | 102.6                         |
| fb:m.046vy25 | rdf:type                                  | Geocode (fb:location.geocode) |

[Assistant]
The geolocation for Laos is:
- Latitude: 17.966667
- Longitude: 102.6

For completeness, I'll also include the continent property to provide regional context. I'll check the value of the "Continent" property for Laos.

[Tool]
Got 1 row and 3 columns:
| subject           | property                                          | object           |
| ----------------- | ------------------------------------------------- | ---------------- |
| Laos (fb:m.04hhv) | Continent (fb:base.locations.countries.continent) | Asia (fb:m.0j0k) |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves the geolocation (latitude and longitude) and continent for Laos using its Freebase identifier. The answer is accurate and the query follows all guidelines, returning the actual IRIs and using OPTIONAL for human-readable information. No further refinement is needed.


PREFIX fb: <http://rdf.freebase.com/ns/>
SELECT ?currency WHERE {
  fb:m.03rjj fb:location.country.currency_used ?currency .
}

The currency used in Italy is the Euro (fb:m.02l6h).

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] what is the currency in italy?

[Assistant]
To answer this question, I need to identify the entity for "Italy" and the property that links a country to its currency.

Step 1: Search for the entity "Italy" in Freebase.

[Tool]
Top 10 entity alternatives:
1. Italy, also known as Italia, Italian Republic (fb:m.03rjj): Italy, officially the Italian Republic, is a unitary parliamenta...uch as Leonardo da Vinci, Galileo, Michelangelo and Machiavelli., has type Country
2. Italy, also known as Italy, Texas, Ellis County / Italy town (fb:m.0100v5): Italy is a town in Ellis County, Texas, United States. As of the 2010 census, the town has a total population of 1,863., has type City/Town/Village
3. Italy, also known as Italy, New York (fb:m.0ycqz): Italy is a town located in Yates County, New York, United States...he southwestern part of the county and is south of Canandaigua ., has type City/Town/Village
4. Italy (fb:m.0fqgrp): The Italy Pavilion is a part of the World Showcase within Epcot ...ion is between the Germany and The American Adventure pavilions., has type Location
5. Italy (fb:m.0g21mhh): has type Musical Release
6. Italy (fb:m.0qg319): has type Musical Recording
7. Italy (fb:m.0394f8_): has type Musical Release
8. Italy (fb:m.0_d_6gh): has type Musical Release
9. Italy (fb:m.0c846y0): has type Book Edition
10. Italy (fb:m.0c7jkdk): has type Book Edition

[Assistant]
The most relevant entity for the country Italy is fb:m.03rjj.

Step 2: Now, I need to find the property that links a country to its currency. I'll search for properties related to "currency" in Freebase.

[Tool]
Top 10 property alternatives:
1. Currency (fb:user.robert.earthquakes.qualified_money_value.currency): part of Qualified money value schema, links to type Currency
2. Currency (fb:base.motorcycle.option_package.currency): part of Option package schema, links to type Currency
3. Currency (fb:base.cars_refactor.msrp.currency): links to type Currency, part of MSRP schema
4. Currency (fb:base.community.local_currency_area.currency): part of Local currency area schema, links to type Local currency
5. Currency (fb:business.market_size.currency): part of Market size schema, links to type Currency
6. Currency (fb:base.lightweight.regional_dated_money_value.currency): part of Regional Dated Money Value schema, links to type Currency
7. Currency (fb:business.currency_sub_unit.currency): part of Currency sub-unit schema, links to type Currency
8. Currency (fb:base.motorcycle.motorcycle_w_option_package_msrp.currency): part of Motorcycle w/ option package MSRP schema, links to type Currency
9. Currency (fb:base.retail.retail_inventory_line.currency): part of Retail Inventory Line schema, links to type Currency
10. Currency (fb:book.newspaper_price.currency): part of Newspaper price schema, links to type Currency

[Assistant] None of these properties seem to directly link a country to its official currency. To be sure, I'll check the properties of the Italy entity (fb:m.03rjj) for any currency-related properties.

[Tool]
Top 10 property alternatives:
1. Currency Used (fb:location.country.currency_used): links to type Currency, part of Country schema
2. Currency Formerly Used (fb:location.country.currency_formerly_used): links to type Currency, part of Country schema
3. GDP (nominal) (fb:location.statistical_region.gdp_nominal): part of Statistical region schema, links to type Dated Money Value
4. Inflation rate (fb:location.statistical_region.cpi_inflation_rate): part of Statistical region schema, links to type Dated Percentage
5. GNI in PPP dollars (fb:location.statistical_region.gni_in_ppp_dollars): part of Statistical region schema, links to type Dated Money Value
6. Flag (fb:symbols.flag_referent.flag): part of Flag referent schema, links to type Flag use
7. GDP real (fb:location.statistical_region.gdp_real): links to type Adjusted money value, part of Statistical region schema
8. Trade balance (% of GDP) (fb:location.statistical_region.trade_balance_as_percent_of_gdp): part of Statistical region schema, links to type Dated Percentage
9. Deposit interest rate (fb:location.statistical_region.deposit_interest_rate): part of Statistical region schema, links to type Dated Percentage
10. Continent (fb:base.locations.countries.continent): links to type Continents, part of Countries schema

No other items found

[Assistant]
The most relevant property is "Currency Used" (fb:location.country.currency_used), which links a country to its currency.

Step 3: I will now construct a SPARQL query to find the currency used in Italy (fb:m.03rjj) using the property fb:location.country.currency_used. I will also try to get the label of the currency for readability.

[Tool]
Got 42 rows and 2 columns, showing the first 5 and last 5 rows below:
| currency          | currencyLabel |
| ----------------- | ------------- |
| Euro (fb:m.02l6h) | Eiro (lv)     |
| Euro (fb:m.02l6h) | Euras (lt)    |
| Euro (fb:m.02l6h) | Euro (ca)     |
| Euro (fb:m.02l6h) | Euro (cs)     |
| Euro (fb:m.02l6h) | Euro (da)     |
| ...               | ...           |
| Euro (fb:m.02l6h) | ยูโร (th)     |
| Euro (fb:m.02l6h) | 유로 (ko)       |
| Euro (fb:m.02l6h) | ユーロ (ja)      |
| Euro (fb:m.02l6h) | 欧元 (zh)       |
| Euro (fb:m.02l6h) | 歐元 (zh-Hant)  |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves the currency used in Italy by querying the 'currency_used' property for the Italy entity. The result matches the expected answer (Euro), and the query returns the identifier as required. No further refinement is necessary.


PREFIX fb: <http://rdf.freebase.com/ns/>
SELECT ?language WHERE {
  fb:m.03shp fb:location.country.official_language ?language .
}

The national (official) language of Iran is Persian (fb:m.032f6).

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] what is the national language of iran?

[Assistant]
Let's break down the question:

1. The main entity is "Iran".
2. The property of interest is "national language".

First, I will search for the entity "Iran" in Freebase to find its identifier.

[Tool]
Top 10 entity alternatives:
1. Iran, also known as Islamic Republic of Iran, Persia (fb:m.03shp): Iran, also known as Persia, officially the Islamic Republic of I... became the dominant cultural and political power in the region., has type Country
2. Irán Castillo, also known as IrÃÂ¡n Castillo, Irán Castillo Pinzón, Iran Castillo, Iran, Castillo, Irán (fb:m.01n4t8x): Irán Castillo is a Mexican actress and singer. Who began her car... Buda. Also she is known as a singer for her single "Yo por el"., has type Film actor
3. Iranshahr, also known as Iranshahr, Iran (fb:m.0613sk): Iranshahr is a city in and capital of Iranshahr County, Sistan a...ry. Bampur, where the ancient Bampur fort is located, is nearby., has type City/Town/Village
4. Iran, also known as Etymology of Iran, Name of Iran (fb:m.02r59rt): The name of Iran derives immediately from 3rd-century Sassanian ...luded territories that were not primarily inhabited by Iranians.
5. Iran (fb:m.01p2ypy): has type Musical Group
6. Iran. (fb:m.05ypyvp): has type Author
7. Iran (fb:m.032jr2w): has type Musical Release
8. Iran (fb:m.09gptrj): Iran newspaper is the official daily newspaper of the government of Iran., has type Newspaper
9. Iran (fb:m.02q78vs): Iran was the first Muslimgauze album pressed to CD, and the firs...made by Soleilmoon that retains the Staalplaat catalogue number., has type Musical Album
10. Iran (fb:m.0c5yq0t): has type Book Edition

[Assistant]
The correct entity for the country Iran is fb:m.03shp.

Next, I need to find the property in Freebase that corresponds to "national language". I will search for properties related to "national language".

[Tool]
Top 10 property alternatives:
1. Official Language (fb:location.country.official_language): links to type Human Language, part of Country schema
2. Official Language(s) (fb:user.ktrueman.default_domain.international_organization.official_language_s): part of International Organization schema, links to type Official Language
3. language (fb:base.semantics.expression.language): part of expression schema, links to type Language
4. Language (fb:base.writing.idiom.language): links to type Human Language, part of Idiom schema
5. Language (fb:user.ameroamigo.default_domain.numismatic_item.language): part of Numismatic Item schema, links to type Type
6. Language (fb:user.fabricio.default_domain.computer_program.language): links to type Programming Language, part of Computer Script schema
7. Language (fb:user.hangy.default_domain.pronunciation.language): links to type Human Language, part of Pronunciation schema
8. Language (fb:base.italiantv.foreign_language_adaptation.language): part of Foreign language adaptation schema, links to type Human Language
9. Language (fb:user.pumpkin.etymology.word.language): links to type Human Language, part of Word schema
10. Language (fb:base.blurbhighlights.highlight.language): part of Highlight schema, links to type Language

[Assistant]
The most relevant property for "national language" is likely "Official Language" (fb:location.country.official_language), as countries typically designate their national language(s) as official.

Now, I will construct a SPARQL query to find the official language(s) of Iran (fb:m.03shp) using the property fb:location.country.official_language.

[Tool]
Got 43 rows and 2 columns, showing the first 5 and last 5 rows below:
| language                      | languageLabel         |
| ----------------------------- | --------------------- |
| Persian Language (fb:m.032f6) | Bahasa Parsi (ms)     |
| Persian Language (fb:m.032f6) | Bahasa Persia (id)    |
| Persian Language (fb:m.032f6) | Farsça (tr)           |
| Persian Language (fb:m.032f6) | Idioma persa (es)     |
| Persian Language (fb:m.032f6) | Idioma persa (es-419) |
| ...                           | ...                   |
| Persian Language (fb:m.032f6) | ภาษาเปอร์เซีย (th)    |
| Persian Language (fb:m.032f6) | 페르시아어 (ko)            |
| Persian Language (fb:m.032f6) | ペルシア語 (ja)            |
| Persian Language (fb:m.032f6) | 波斯語 (zh-Hant)         |
| Persian Language (fb:m.032f6) | 波斯语 (zh)              |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves the official language of Iran by querying the 'official_language' property for the entity representing Iran. The result matches the expected answer (Persian), and the query returns the IRI as required. No further refinement is necessary.


PREFIX fb: <http://rdf.freebase.com/ns/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT ?place_of_birth ?place_of_birth_label WHERE {
  fb:m.011wgw fb:people.person.place_of_birth ?place_of_birth .
  OPTIONAL {
    ?place_of_birth rdfs:label ?place_of_birth_label
  }
}

Got 20 rows and 2 columns, showing the first 5 and last 5 rows below:
| place_of_birth               | place_of_birth_label |
| ---------------------------- | -------------------- |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (ca)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (cs)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (da)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (de)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (en)  |
| ...                          | ...                  |
| Saint-Domingue (fb:m.01f5d8) | Сан-Домінго (uk)     |
| Saint-Domingue (fb:m.01f5d8) | 생도맹그 (ko)            |
| Saint-Domingue (fb:m.01f5d8) | サン＝ドマング (ja)         |
| Saint-Domingue (fb:m.01f5d8) | 法属圣多明戈 (zh)          |
| Saint-Domingue (fb:m.01f5d8) | 法屬聖多明戈 (zh-Hant)     |

Toussaint L'Ouverture was born in Saint-Domingue (fb:m.01f5d8), which is present-day Haiti.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] where was toussaint l'ouverture born?

[Assistant]
Let's break down the question:

1. The entity in question is "Toussaint L'Ouverture".
2. The property we are interested in is "place of birth".

First, I will search for the entity "Toussaint L'Ouverture" in Freebase to get its identifier.

[Tool]
Top 10 entity alternatives:
1. Toussaint Louverture, also known as François-Dominique Toussaint Louverture, Toussaint L'Ouverture, Toussaint Bréda (fb:m.011wgw): François-Dominique Toussaint Louverture, also known as Toussaint... constitution for the colony, with himself as governor for life., has type Politician
2. Toussaint L'Ouverture (fb:m.04tx7lk): has type Book Edition
3. Toussaint L'Ouverture (fb:m.010tnzng): has type Composition
4. Toussaint L'Ouverture (fb:m.011kd3t8): has type Musical Recording
5. Toussaint L'Ouverture (fb:m.0ftsdzm): has type Musical Recording
6. Toussaint L'Ouverture (fb:m.04t49j6): has type Book
7. Toussaint L'Ouverture (fb:m.0g77lbf)
8. Toussaint L'Ouverture (fb:m.02bfbj4)
9. Toussaint L'Ouverture (fb:m.011kgggh)
10. Toussaint L'Ouverture (fb:m.0mqm6cs)

[Assistant]
The most relevant entity for Toussaint L'Ouverture (the historical figure) is "fb:m.011wgw" (François-Dominique Toussaint Louverture).

Next, I need to find the property in Freebase that represents "place of birth" for this entity. I will search for properties related to "birth" for this entity.

[Tool]
Top 10 property alternatives:
1. Place of birth (fb:people.person.place_of_birth): links to type Location, part of Person schema
2. Date of birth (fb:people.person.date_of_birth): links to type Date/Time, part of Person schema
3. Gender (fb:people.person.gender): part of Person schema, links to type Gender
4. Date of death (fb:people.deceased_person.date_of_death): part of Deceased Person schema, links to type Date/Time
5. Country of nationality (fb:people.person.nationality): part of Person schema, links to type Country
6. Religion (fb:people.person.religion): links to type Religion, part of Person schema
7. Name (fb:type.object.name): part of Object schema, links to type Text
8. Parents (fb:people.person.parents): part of Person schema, links to type Person
9. Type (fb:type.object.type): part of Object schema, links to type Type
10. Service (fb:military.military_person.service): links to type Military Service, part of Military Person schema

No other items found

[Assistant]
The relevant property for "place of birth" is fb:people.person.place_of_birth.

Now, I will construct a SPARQL query to find the place of birth of Toussaint L'Ouverture (fb:m.011wgw) using the property fb:people.person.place_of_birth. I will also try to retrieve the label of the place if available.

[Tool]
Got 20 rows and 2 columns, showing the first 5 and last 5 rows below:
| place_of_birth               | place_of_birth_label |
| ---------------------------- | -------------------- |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (ca)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (cs)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (da)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (de)  |
| Saint-Domingue (fb:m.01f5d8) | Saint-Domingue (en)  |
| ...                          | ...                  |
| Saint-Domingue (fb:m.01f5d8) | Сан-Домінго (uk)     |
| Saint-Domingue (fb:m.01f5d8) | 생도맹그 (ko)            |
| Saint-Domingue (fb:m.01f5d8) | サン＝ドマング (ja)         |
| Saint-Domingue (fb:m.01f5d8) | 法属圣多明戈 (zh)          |
| Saint-Domingue (fb:m.01f5d8) | 法屬聖多明戈 (zh-Hant)     |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves the place of birth for Toussaint L'Ouverture by using the appropriate entity and property. It returns the IRI of the place of birth as required, and includes optional labels in various languages. The answer provided is accurate and matches the query result. No further refinement is necessary.


PREFIX fb: <http://rdf.freebase.com/ns/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?place_of_death ?label WHERE {
  fb:m.019jy5 fb:people.deceased_person.place_of_death ?place_of_death .
  OPTIONAL {
    ?place_of_death rdfs:label ?label .
    FILTER ( lang( ?label ) = 'en' )
  }
}

Robin Cook (the British politician) died in Inverness.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] where did robin cook die?

[Assistant]
To answer the question "where did Robin Cook die?", I need to:

1. Identify the correct "Robin Cook" entity in Freebase. There are multiple notable people named Robin Cook (e.g., the British politician and the American author), so I should verify which one is relevant.
2. Find the property related to "place of death" for that entity.

First, I will search for "Robin Cook" in Freebase to identify the relevant entities.

[Tool]
Top 10 entity alternatives:
1. Robin Cook, also known as Dr. Robin Cook (fb:m.02_5yp): Dr. Robert Brian "Robin" Cook is an American physician and novel...igest. His books have sold nearly 400 million copies worldwide ., has type Author
2. Robin Cook, also known as Robert Finlayson Cook (fb:m.019jy5): Robert Finlayson Cook was a British Labour Party politician, who...al Security and Non-Proliferation All Party Parliamentary Group., Robin Cook was a politician., has type Politician
3. Robin Cook, also known as Cook, Robin, John Oakfield, Jonas Ekfeldt (fb:m.01w_c8c): Jonas Ekfeldt is a Swedish music producer and singer. Won acclai...the name Robin Cook, titled "Susanna" with Ekfeldt on the cover., has type Musical Artist
4. Derek Raymond, also known as Robert William Arthur Cook, Robin Cook (fb:m.0cfh7r): Robert William Arthur Cook, better known since the 1980s by his ...ish crime writer, credited with being a founder of British noir., has type Author
5. Robin D. Cook, also known as Robin Cook (fb:m.09fhj3x): Robin D. Cook is a casting director., has type TV Actor
6. Robin D. Cook, also known as Robin Cook (fb:m.02pl8kx): has type Politician
7. Robin Cooke (fb:m.0nhd666): has type Musical Artist
8. Terminal, also known as Death Infection - Terminal, Robin Cook's Terminal (fb:m.04j2qyg): Terminal is a 1996 drama horror film directed by Larry Elikann., has type Film
9. Bart Robinson Cook (fb:m.0gc2ynr): has type Film actor
10. Robin Cook Boxed Set (fb:m.06krdgm): has type Book

[Assistant]
There are multiple notable people named Robin Cook. The two most prominent are:

- Robin Cook (fb:m.02_5yp): American physician and author.
- Robin Cook (fb:m.019jy5): British Labour Party politician.

Since the question does not specify, but "where did Robin Cook die?" is most commonly asked about the British politician (who died in 2005), I will proceed with Robin Cook (fb:m.019jy5), the British politician.

Next, I need to find the property for "place of death" for this entity. I will search for properties related to "death" for Robin Cook (fb:m.019jy5).

[Tool]
Top 10 property alternatives:
1. Cause of death (fb:people.deceased_person.cause_of_death): part of Deceased Person schema, links to type Cause Of Death
2. Place of death (fb:people.deceased_person.place_of_death): part of Deceased Person schema, links to type Location
3. Date of death (fb:people.deceased_person.date_of_death): part of Deceased Person schema, links to type Date/Time
4. Religion (fb:people.person.religion): links to type Religion, part of Person schema
5. Name (fb:type.object.name): part of Object schema, links to type Text
6. Date of birth (fb:people.person.date_of_birth): links to type Date/Time, part of Person schema
7. Gender (fb:people.person.gender): part of Person schema, links to type Gender
8. Country of nationality (fb:people.person.nationality): part of Person schema, links to type Country
9. Place of birth (fb:people.person.place_of_birth): links to type Location, part of Person schema
10. Description (fb:common.topic.description): part of Topic schema, links to type Text

No other items found

[Tool]
Got 35 rows and 1 column, showing the first 5 and last 5 rows below:
| place_of_death          |
| ----------------------- |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |
| ...                     |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |
| Inverness (fb:m.012d9h) |

[Tool]
Got 35 rows and 1 column, showing the first 5 and last 5 rows below:
| label              |
| ------------------ |
| Invernesas (lt)    |
| Inverness (ca)     |
| Inverness (cs)     |
| Inverness (da)     |
| Inverness (de)     |
| ...                |
| อินเวอร์เนสส์ (th) |
| 인버네스 (ko)          |
| インヴァネス (ja)        |
| 印威內斯 (zh-Hant)     |
| 因弗尼斯 (zh)          |

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The answer is correct and matches the information retrieved from the knowledge graph. However, the SPARQL query returns many duplicate rows for the place of death. To improve the query, you should add a DISTINCT modifier to ensure that only unique results are returned. Additionally, the OPTIONAL clause for the label is not used in the SELECT statement, so either include the label in the SELECT or remove the OPTIONAL clause if not needed. The refined query should look like:

SELECT DISTINCT ?place_of_death WHERE { fb:m.019jy5 fb:people.deceased_person.place_of_death ?place_of_death . }

or, if you want to include the label:

SELECT DISTINCT ?place_of_death ?label WHERE { fb:m.019jy5 fb:people.deceased_person.place_of_death ?place_of_death . OPTIONAL { ?place_of_death rdfs:label ?label } }

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The SPARQL query correctly retrieves the place of death for Robin Cook and includes optional labels for the location. However, the query returns all available labels in different languages, resulting in many redundant rows for the same place. To refine the query, you should either:
- Limit the labels to a specific language (e.g., English) using a FILTER (lang(?label) = 'en'), or
- Only return the IRI of the place of death if the label is not explicitly requested by the user.

This will make the result more concise and relevant to the user's question.

[Tool] Stopped generation process


PREFIX fb: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?film ?film_name WHERE {
  fb:m.02_tv5 fb:film.actor.film ?performance .
  ?performance fb:film.performance.film ?film .
  OPTIONAL {
    ?film fb:type.object.name ?film_name .
    FILTER ( lang( ?film_name ) = 'en' )
  }
}
ORDER BY ?film_name

Got 23 rows and 2 columns, showing the first 5 and last 5 rows below:
| film                                 | film_name                   |
| ------------------------------------ | --------------------------- |
| A Day in the Life (fb:m.06zl2q4)     | A Day in the Life (en)      |
| Against the Ropes (fb:m.040btp)      | Against the Ropes (en)      |
| Alfie (fb:m.0456zg)                  | Alfie (en)                  |
| Big Trouble (fb:m.05pr8b)            | Big Trouble (en)            |
| Breakfast of Champions (fb:m.08zjv6) | Breakfast of Champions (en) |
| ...                                  | ...                         |
| Perfume (fb:m.03qhxn_)               | Perfume (en)                |
| Scream 2 (fb:m.02v5_g)               | Scream 2 (en)               |
| The Mod Squad (fb:m.08yf3q)          | The Mod Squad (en)          |
| The Program (fb:m.09fgyt)            | The Program (en)            |
| The Wood (fb:m.08r27j)               | The Wood (en)               |

This query returns all movies Omar Epps has acted in, with their IRIs and English names only, ensuring each film appears only once.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] what movies is omar epps in?

[Assistant]
Let's break down the question:

1. The entity is "Omar Epps", who is an actor.
2. The property we are interested in is the list of movies (films) that he has acted in.

First, I will search for the entity "Omar Epps" in Freebase to get his identifier.

[Tool]
Top 10 entity alternatives:
1. Omar Epps, also known as Omar Hashim Epps (fb:m.02_tv5): Omar Hashim Epps is an American actor, rapper, songwriter, and r...Foreman on the Fox medical drama series House from 2004 to 2012., has type Film actor
2. Omar Epps (fb:m.0k9zx43): has type TV Episode
3. Omar Epps (fb:m.04x_dgc)
4. Omar Epps (fb:m.08vx001)
5. Omar Epps Pictures (fb:m.0czh4f0)
6. KRISTEN DAVIS, OMAR EPPS (fb:m.05dj8vz): KRISTEN DAVIS, OMAR EPPS, has type TV Episode
7. Kim Cattrall; Omar Epps (fb:m.06wy5gm): has type TV Episode
8. Omar Epps/Jen Schefft/Claudia Cohen (fb:m.07n5fwn): Today we announce the winner of LIVE'S BEAUTIFUL BABY CONTEST! O...nd Kelly. And CLAUDIA COHEN gives an exclusive pre-Oscar report., has type TV Episode
9. Barbara Walters, Omar Epps, The Futureheads (fb:m.06y1hld): has type TV Episode
10. Larry King, Omar Epps, Sheila Kelley (fb:m.06y1kf6): has type TV Episode

[Assistant]
The top result for "Omar Epps" as an actor is fb:m.02_tv5. Now, I need to find the property that links an actor to the movies they have acted in. This is typically something like "filmography", "acted in", or "film appearances".

I will search for properties related to "filmography" or "acted in" for the entity fb:m.02_tv5.

[Tool]
Top 10 property alternatives:
1. Films Produced (fb:film.producer.film): part of Film producer schema, links to type Film
2. Films appeared in (fb:film.person_or_entity_appearing_in_film.films): part of Person or entity appearing in film schema, links to type Personal film appearance
3. Film performances (fb:film.actor.film): links to type Film performance, part of Film actor schema
4. Image (fb:common.topic.image): part of Topic schema, links to type Image
5. Country of nationality (fb:people.person.nationality): part of Person schema, links to type Country
6. Description (fb:common.topic.description): part of Topic schema, links to type Text
7. Key (fb:type.object.key): part of Object schema, links to type Key
8. Is reviewed (fb:freebase.valuenotation.is_reviewed): part of Value Notation schema, links to type Property
9. Place of birth (fb:people.person.place_of_birth): links to type Location, part of Person schema
10. Education (fb:people.person.education): links to type Education, part of Person schema

No other items found

[Assistant]
The most relevant property for finding the movies Omar Epps has acted in is "Film performances" (fb:film.actor.film), which links to type Film performance.

To get the actual movies, I need to traverse from Omar Epps (fb:m.02_tv5) via fb:film.actor.film to Film performance, and then from Film performance to the actual Film entity.

I will now search for the properties of the "Film performance" entity to find how to get the actual Film from a Film performance.

[Tool]
Top 10 property alternatives:
1. Type (fb:type.object.type): part of Object schema, links to type Type
2. Name (fb:type.object.name): part of Object schema, links to type Text
3. schema (fb:type.property.schema): part of Property schema, links to type Type

No other items found

[Tool]
Got 24 rows and 3 columns, showing the first 10 rows below:
| subject                 | property                               | object       |
| ----------------------- | -------------------------------------- | ------------ |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.02vbbx0 |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.03hpjtv |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.045xm7r |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.04d5qln |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.04hv85f |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.04j0jts |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.04j2hqw |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.052hddq |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.05n52gv |
| Omar Epps (fb:m.02_tv5) | Film performances (fb:film.actor.film) | fb:m.06zzjwx |
| ...                     | ...                                    | ...          |

[Tool]
Got 5 rows and 3 columns:
| subject      | property                                  | object                                 |
| ------------ | ----------------------------------------- | -------------------------------------- |
| fb:m.02vbbx0 | Type (fb:type.object.type)                | Film performance (fb:film.performance) |
| fb:m.02vbbx0 | Actor (fb:film.performance.actor)         | Omar Epps (fb:m.02_tv5)                |
| fb:m.02vbbx0 | Film (fb:film.performance.film)           | The Mod Squad (fb:m.08yf3q)            |
| fb:m.02vbbx0 | Character (fb:film.performance.character) | Linc Hayes (fb:m.0c1n07b)              |
| fb:m.02vbbx0 | rdf:type                                  | Film performance (fb:film.performance) |

[Tool]
Got 65,536 rows and 3 columns, showing the first 10 rows below:
| subject         | property                        | object                                                                           |
| --------------- | ------------------------------- | -------------------------------------------------------------------------------- |
| fb:m.010r3bwb   | Film (fb:film.performance.film) | Guiding Light (fb:m.01b66d)                                                      |
| fb:m.010r3c8f   | Film (fb:film.performance.film) | Another World (fb:m.02_1q9)                                                      |
| fb:m.010h7mm0   | Film (fb:film.performance.film) | Star Wars (fb:m.0dtfn)                                                           |
| fb:m.0108qs21   | Film (fb:film.performance.film) | The Dark Knight Rises (fb:m.0bpm4yw)                                             |
| fb:m.010r2hb0   | Film (fb:film.performance.film) | Return of the Jedi (fb:m.0ddjy)                                                  |
| fb:g.11b82bfkm7 | Film (fb:film.performance.film) | The Lion King (fb:m.0m63c)                                                       |
| fb:g.11bybwwl8q | Film (fb:film.performance.film) | Iron Man 2 (fb:m.05qbckf)                                                        |
| fb:m.010vmgrn   | Film (fb:film.performance.film) | Dr. Strangelove or: How I Learne... Stop Worrying and Love the Bomb (fb:m.02dwj) |
| fb:g.11b7nrp4x_ | Film (fb:film.performance.film) | Snow White and the Seven Dwarfs (fb:m.0k4d7)                                     |
| fb:m.010gy35t   | Film (fb:film.performance.film) | The Hobbit: An Unexpected Journey (fb:m.0ndwt2w)                                 |
| ...             | ...                             | ...                                                                              |

[Tool]
Got 34 rows and 3 columns, showing the first 10 rows below:
| subject      | property                        | object                      |
| ------------ | ------------------------------- | --------------------------- |
| fb:m.02vbbx0 | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.09scnzw | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0cg558b | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0cs28_4 | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0cvd1g3 | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0k5y71  | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0k5y76  | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0k5y7c  | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0ncf5m3 | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| fb:m.0pw0s27 | Film (fb:film.performance.film) | The Mod Squad (fb:m.08yf3q) |
| ...          | ...                             | ...                         |

[Tool]
Top 10 property alternatives:
1. Movie name (fb:user.edassori.test_eed.frank.movie_name): part of Frank schema, links to type Topic
2. Film Title (fb:user.raulcaster.default_domain.favourite_films.film_title): part of Favourite Films schema, links to type Text
3. Movie (fb:user.yellowbkpk.default_domain.movie_showtime.movie): part of Movie Showtime Set schema, links to type Film
4. Appears in film (fb:user.skud.default_domain.tall_ship_in_film.appears_in_film): part of Tall ship in film schema, links to type Film
5. Featured in film (fb:film.film_featured_song.featured_in_film): part of Film featured song schema, links to type Film
6. Appeared In Movie (fb:user.jschell.default_domain.fictional_character.appeared_in): part of Fictional Character schema, links to type Film
7. Appears in film(s) (fb:base.jamesbond007.bond_girl.appears_in_film_s): part of Bond girl schema, links to type Film
8. Appears in feature film (fb:user.blackhound.hornblower_universe.character.appears_in_feature_film): links to type Feature Films, part of Character schema
9. Appears in feature film (fb:user.blackhound.hornblower_universe.feature_films.appears_in_feature_film): part of Feature Films schema, links to type Character
10. Featured Film (fb:base.mst3k.mst3k_episode.featured_film): part of MST3K Episode schema, links to type Film

[Tool]
Top 10 property alternatives:
1. Name (fb:type.object.name): part of Object schema, links to type Text
2. Description (fb:common.topic.description): part of Topic schema, links to type Text
3. Key (fb:type.object.key): part of Object schema, links to type Key
4. Title ID (fb:imdb.topic.title_id): links to type Enumeration, part of Topic schema
5. Country of origin (fb:film.film.country): links to type Country, part of Film schema
6. Type (fb:type.object.type): part of Object schema, links to type Type
7. Image (fb:common.topic.image): part of Topic schema, links to type Image
8. Tagline (fb:film.film.tagline): part of Film schema, links to type Text
9. Rated (fb:film.film.rating): links to type Film rating, part of Film schema
10. Notable for (fb:common.topic.notable_for): links to type notable_for, part of Topic schema

No other items found

[Assistant]
Now I have all the necessary information:
- Omar Epps: fb:m.02_tv5
- To get his movies, traverse fb:film.actor.film to Film performance, then fb:film.performance.film to the Film entity.
- To get the film's name, use fb:type.object.name.

I will now write a SPARQL query to get all films Omar Epps has acted in, returning their IRIs and names (labels).

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The query correctly retrieves all movies Omar Epps has acted in, returning their IRIs and names. However, the query currently retrieves multiple rows for the same film due to different language labels (film_name). To improve the result, the query should either restrict the label to a specific language (e.g., English) or group the results so that each film appears only once, possibly with a preferred label. This will make the output more concise and user-friendly.

[Assistant]
Thank you for the feedback. To address the issue of multiple rows per film due to different language labels, I will restrict the film name to English labels only. In Freebase, the name property (fb:type.object.name) can have language tags, so I will filter for English (@en) labels.

Here’s my plan:
- Retrieve films Omar Epps acted in.
- Get the film name, but only include the English label using a FILTER clause.
- Each film will appear only once, making the output concise.

Now, I will write the improved SPARQL query.

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves all movies Omar Epps has acted in by using the appropriate Freebase entity for Omar Epps and traversing the film actor and performance relationships. It returns the IRIs of the films and their English names, with each film appearing only once. The query structure is correct, and the output matches the user's request. No further refinement is necessary.


PREFIX fb: <http://rdf.freebase.com/ns/>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT ?person ( COALESCE ( ?name , ?label , ?prefLabel , ?foafName ) AS ?displayName ) WHERE {
  fb:m.0c6qh fb:base.popstra.celebrity.dated ?person .
  OPTIONAL {
    ?person fb:type.object.name ?name
  }
  OPTIONAL {
    ?person rdfs:label ?label
  }
  OPTIONAL {
    ?person skos:prefLabel ?prefLabel
  }
  OPTIONAL {
    ?person foaf:name ?foafName
  }
}

Brad Pitt has dated the following people (represented by their Freebase IRIs, as no human-readable names are available in the current dataset): fb:m.063g4f2, fb:m.064bhq6, fb:m.064bhr2, fb:m.064f25x, fb:m.065p_2z, fb:m.065p_9p, fb:m.065psjv, fb:m.065pt8x, fb:m.065pwrc, fb:m.065py0k, fb:m.065q497, fb:m.065q4gf, fb:m.065q4pj, fb:m.065q7lp, fb:m.065q9tc, and others. Unfortunately, due to data limitations, only IRIs are available and no human-readable names could be retrieved.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
freebase at http://galera:7002

You can use the following SPARQL prefixes implicitly in all functions:
fb: <http://rdf.freebase.com/ns/
fbkey: <http://rdf.freebase.com/key/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
owl: <http://www.w3.org/2002/07/owl#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dct: <http://purl.org/dc/terms/
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] who brad pitt has dated?

[Assistant]
To answer this question, I need to identify the correct entity for "Brad Pitt" and then find the property in Freebase that represents "has dated" or "romantic relationships".

Step 1: Search for the entity "Brad Pitt" in Freebase.

[Tool]
Top 10 entity alternatives:
1. Brad Pitt, also known as Pitt-bull, William Bradley Pitt, William Bradley "Brad" Pitt, Tyler Durden, Buratto Pitto (fb:m.0c6qh): William Bradley "Brad" Pitt is an American actor and producer. H...rformances in The Curious Case of Benjamin Button and Moneyball., has type Celebrity
2. Brad Pitt (fb:m.043r0jn): Bradley Michael "Brad" Pitt, also known as Hollywood, is an Aust...006 Commonwealth Games and for qualifying for the 2008 Olympics., has type Boxer
3. Brad Pitt (fb:m.0kb0kzz): Mitt Romney wins the Florida primary, John Oliver and Jason Jone...of the wealth gap, and Brad Pitt roots for baseball's underdogs., has type TV Episode
4. Brad Pitt (fb:m.07n5p7c): has type TV Episode
5. Brad pitt (fb:m.0skrx3g): has type Canonical Version
6. Brad Pitt (fb:m.0f4l_rx): has type Musical Recording
7. Brad Pitt (fb:m.0jb43ny): Brad Pitt casts light on his life and career in an interview with James Lipton., has type TV Episode
8. Brad Pitt (fb:m.0fb9773): has type Musical Recording
9. Brad Pitt (fb:m.0wg7614): Is Motion Blur A Lie? HD Cable Channels Missing: Check For A Switch Video Upgrade., has type TV Episode
10. Brad Pitt (fb:m.0wg760d): Is Motion Blur A Lie? HD Cable Channels Missing: Check For A Switch Video Upgrade., has type TV Episode

[Assistant]
The most relevant entity for Brad Pitt, the American actor, is fb:m.0c6qh.

Step 2: Now, I need to find the property in Freebase that represents "has dated" or "romantic relationships". I'll search for properties related to "relationship" for this entity.

[Tool]
Top 10 property alternatives:
1. Spouse (or domestic partner) (fb:people.person.spouse_s): links to type Marriage, part of Person schema
2. Romantic relationships (with celebrities) (fb:celebrities.celebrity.sexual_relationships): links to type Romantic relationship, part of Celebrity schema
3. Friendship (fb:base.popstra.celebrity.friendship): links to type Friendship, part of Celebrity schema
4. Breakup (fb:base.popstra.celebrity.breakup): part of Celebrity schema, links to type Breakup
5. Infidelity Participant (fb:base.popstra.celebrity.infidelity_participant): links to type Infidelity, part of Celebrity schema
6. Part of notable couple (fb:user.narphorium.people.notable_person.part_of_notable_couple): part of Notable Person schema, links to type Notable Couple
7. Infidelity Perpetrator (fb:base.popstra.celebrity.infidelity_perpetrator): links to type Infidelity, part of Celebrity schema
8. Lived With (fb:base.popstra.celebrity.lived_with): links to type Lived With, part of Celebrity schema
9. Sexual orientation (fb:celebrities.celebrity.sexual_orientation): links to type Sexual orientation phase, part of Celebrity schema
10. Dated (fb:base.popstra.celebrity.dated): part of Celebrity schema, links to type Dated

No other items found

[Assistant]
There are two promising properties: "Romantic relationships (with celebrities)" (fb:celebrities.celebrity.sexual_relationships) and "Dated" (fb:base.popstra.celebrity.dated). Since the question is about who Brad Pitt has dated, the "Dated" property seems most directly relevant.

Step 3: I'll list triples for Brad Pitt (fb:m.0c6qh) with the "Dated" property to see how it is structured and what objects (people) are linked.

[Tool]
Got 18 rows and 3 columns, showing the first 10 rows below:
| subject                | property                                | object       |
| ---------------------- | --------------------------------------- | ------------ |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.063g4f2 |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.064bhq6 |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.064bhr2 |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.064f25x |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.065p_2z |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.065p_9p |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.065psjv |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.065pt8x |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.065pwrc |
| Brad Pitt (fb:m.0c6qh) | Dated (fb:base.popstra.celebrity.dated) | fb:m.065py0k |
| ...                    | ...                                     | ...          |

[Assistant]
I have found several entities that Brad Pitt has dated, represented by their Freebase IDs. To make the answer more informative, I will retrieve the labels (names) for these entities.

Step 4: Write a SPARQL query to get the IRIs and labels of all people Brad Pitt has dated using the "Dated" property.

[Tool]
Got 18 rows and 2 columns, showing the first 5 and last 5 rows below:
| person       | personLabel |
| ------------ | ----------- |
| fb:m.063g4f2 |             |
| fb:m.064bhq6 |             |
| fb:m.064bhr2 |             |
| fb:m.064f25x |             |
| fb:m.065p_2z |             |
| ...          | ...         |
| fb:m.065q497 |             |
| fb:m.065q4gf |             |
| fb:m.065q4pj |             |
| fb:m.065q7lp |             |
| fb:m.065q9tc |             |

[Assistant]
The query successfully retrieves the IRIs of the people Brad Pitt has dated, but unfortunately, the labels (names) are missing for these entities in the Freebase data.

I will provide the SPARQL query and explain that while the IRIs are available, the human-readable names are not present in the current dataset.

Here is the final SPARQL query and the answer.

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The SPARQL query is mostly correct: it retrieves the IRIs of people Brad Pitt has dated and optionally tries to get their labels. However, the answer does not display any labels, which would make the result more human-readable. Since the query already includes an OPTIONAL clause for rdfs:label, it's possible that the labels are missing in the knowledge graph, but it would be worth trying to retrieve labels using other common properties such as skos:prefLabel or foaf:name as a fallback. Additionally, the answer should clarify that the IRIs correspond to people and, if possible, provide at least some names for user-friendliness. The query otherwise follows the rules and returns the correct identifiers.

[Assistant]
Thank you for the feedback. To improve the answer, I will attempt to retrieve labels for the people Brad Pitt has dated using additional common properties: skos:prefLabel and foaf:name, as fallbacks to rdfs:label. This should increase the chance of getting human-readable names.

I will construct a SPARQL query that tries to get the label from rdfs:label, skos:prefLabel, or foaf:name, using COALESCE to select the first available label for each person.

Here is my step-by-step plan:
1. For each person Brad Pitt has dated (using fb:base.popstra.celebrity.dated), try to get their rdfs:label, skos:prefLabel, or foaf:name.
2. Use COALESCE to select the first available label.
3. Return both the IRI and the label.

Let's write and execute this improved query.

[Tool]
Got 18 rows and 2 columns, showing the first 5 and last 5 rows below:
| person       | name |
| ------------ | ---- |
| fb:m.063g4f2 |      |
| fb:m.064bhq6 |      |
| fb:m.064bhr2 |      |
| fb:m.064f25x |      |
| fb:m.065p_2z |      |
| ...          | ...  |
| fb:m.065q497 |      |
| fb:m.065q4gf |      |
| fb:m.065q4pj |      |
| fb:m.065q7lp |      |
| fb:m.065q9tc |      |

[Assistant]
Even after trying rdfs:label, skos:prefLabel, and foaf:name, the knowledge graph does not provide human-readable names for the people Brad Pitt has dated—only their IRIs are available.

Here is the improved SPARQL query, which attempts to retrieve labels using multiple properties, and the answer:

- The IRIs listed correspond to people Brad Pitt has dated according to Freebase.
- Unfortunately, no human-readable names are available in the current dataset for these entities.

Here is the final query and answer.

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The SPARQL query is structurally correct and retrieves the IRIs of people Brad Pitt has dated, with attempts to get human-readable names via rdfs:label, skos:prefLabel, or foaf:name. However, the result shows that none of these people have labels in the current dataset, so only IRIs are returned. This is not ideal for user experience.

Suggestions for refinement:
1. Check if there are alternative properties (e.g., fb:type.object.name) that might contain human-readable names for these entities in Freebase.
2. If possible, add another OPTIONAL clause to retrieve names via fb:type.object.name or similar properties.
3. If names are still not available, clearly state in the answer that only IRIs are available due to data limitations.

The query logic is otherwise correct, but the output can be improved by trying additional label properties.

[Assistant]
Thank you for the suggestions. To further refine the query, I will:

1. Attempt to retrieve human-readable names using the Freebase-specific property fb:type.object.name, which is commonly used for entity names in Freebase.
2. Add an OPTIONAL clause for fb:type.object.name to the query, in addition to the previous label properties.
3. Use COALESCE to select the first available name from all attempted properties.

Let’s construct and execute this improved query.

[Tool]
Got 18 rows and 2 columns, showing the first 5 and last 5 rows below:
| person       | displayName |
| ------------ | ----------- |
| fb:m.063g4f2 |             |
| fb:m.064bhq6 |             |
| fb:m.064bhr2 |             |
| fb:m.064f25x |             |
| fb:m.065p_2z |             |
| ...          | ...         |
| fb:m.065q497 |             |
| fb:m.065q4gf |             |
| fb:m.065q4pj |             |
| fb:m.065q7lp |             |
| fb:m.065q9tc |             |

[Tool] Stopped generation process