PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?date WHERE {
  wd:Q220015 wdt:P571 ?date
}

The magazine in which Hunter x Hunter is published, Weekly Shōnen Jump, was established on January 1, 1968.

[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:
wikidata at https://qlever.cs.uni-freiburg.de/api/wikidata-sebastian

You can use the following SPARQL prefixes implicitly in all functions:
cc: <http://creativecommons.org/ns#
data: <https://www.wikidata.org/wiki/Special:EntityData/
dct: <http://purl.org/dc/terms/
geo: <http://www.opengis.net/ont/geosparql#
geof: <http://www.opengis.net/def/function/geosparql/
imdb: <https://www.imdb.com/
math: <http://www.w3.org/2005/xpath-functions/math#
ontolex: <http://www.w3.org/ns/lemon/ontolex#
owl: <http://www.w3.org/2002/07/owl#
p: <http://www.wikidata.org/prop/
pq: <http://www.wikidata.org/prop/qualifier/
pqn: <http://www.wikidata.org/prop/qualifier/value-normalized/
pqv: <http://www.wikidata.org/prop/qualifier/value/
pr: <http://www.wikidata.org/prop/reference/
prn: <http://www.wikidata.org/prop/reference/value-normalized/
prov: <http://www.w3.org/ns/prov#
prv: <http://www.wikidata.org/prop/reference/value/
ps: <http://www.wikidata.org/prop/statement/
psn: <http://www.wikidata.org/prop/statement/value-normalized/
psv: <http://www.wikidata.org/prop/statement/value/
qfn: <http://qlever.cs.uni-freiburg.de/function#
ql: <http://qlever.cs.uni-freiburg.de/builtin-functions/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
ref: <http://www.wikidata.org/reference/
s: <http://www.wikidata.org/entity/statement/
schema: <http://schema.org/
skos: <http://www.w3.org/2004/02/skos/core#
v: <http://www.wikidata.org/value/
wd: <http://www.wikidata.org/entity/
wdno: <http://www.wikidata.org/prop/novalue/
wdt: <http://www.wikidata.org/prop/direct/
wdtn: <http://www.wikidata.org/prop/direct-normalized/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
dc: <http://purl.org/dc/elements/1.1/
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
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] when was the magazine in which hunter x hunter is published established?

[Tool]
Top 10 entity alternatives:
1. Hunter × Hunter, also known as HUNTER × HUNTER, Hunter x Hunter, HXH (wd:Q696071): Japanese manga series
2. Hunter × Hunter, also known as H×H, Hunter x Hunter, HxH (wd:Q70209136): 2011 Japanese anime television series
3. Hunter × Hunter, also known as Hunter x Hunter, HxH (wd:Q21232458): 1999 Japanese anime television series
4. Monster Hunter Generations, also known as Monster Hunter X (wd:Q20856979): 2015 Japanese video game
5. Hunter Xcite (wd:Q60767092): sailboat class
6. Xavier Hunter (wd:Q100806788): basketball player
7. Hunter × Hunter: Phantom Rouge, also known as Hunter X Hunter: Phantom Rouge (wd:Q11398237): 2013 film by Yūzō Satō
8. City Hunter XYZ (wd:Q97170832): fan film by Filip Wong
9. Monster Hunter Generations Ultimate, also known as Monster Hunter XX (wd:Q30302563): 2017 video game
10. XX: Beautiful Hunter (wd:Q8042573): 1994 film by Masaru Konuma

[Tool]
Got 366 rows and 3 columns, showing the first 10 rows below:
| subject                      | property                            | object                                 |
| ---------------------------- | ----------------------------------- | -------------------------------------- |
| Hunter × Hunter (wd:Q696071) | instance of (wdt:P31)               | manga series (wd:Q21198342)            |
| Hunter × Hunter (wd:Q696071) | title (wdt:P1476)                   | ハンターハンター (ja)                          |
| Hunter × Hunter (wd:Q696071) | published in (wdt:P1433)            | Weekly Shōnen Jump (wd:Q220015)        |
| Hunter × Hunter (wd:Q696071) | author (wdt:P50)                    | Yoshihiro Togashi (wd:Q550311)         |
| Hunter × Hunter (wd:Q696071) | language of work or name (wdt:P407) | Japanese (wd:Q5287)                    |
| Hunter × Hunter (wd:Q696071) | Commons category (wdt:P373)         | Hunter × Hunter                        |
| Hunter × Hunter (wd:Q696071) | country of origin (wdt:P495)        | Japan (wd:Q17)                         |
| Hunter × Hunter (wd:Q696071) | official website (wdt:P856)         | <http://www.vap.co.jp/hunterhunter/>   |
| Hunter × Hunter (wd:Q696071) | genre (wdt:P136)                    | fantasy anime and manga (wd:Q15637301) |
| Hunter × Hunter (wd:Q696071) | different from (wdt:P1889)          | Shooter (wd:Q309014)                   |
| ...                          | ...                                 | ...                                    |

[Tool]
Top 10 property alternatives:
1. inception, also known as initial release date, founded in, founded on, founded on date, founding date (wd:P571 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): time when an entity begins to exist; for date of official opening use P1619, start time
2. service entry, also known as commissioned, time of service entry, service introduction, launch date, in service (wd:P729 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): date or point in time on which a piece or class of equipment entered operational service, start time
3. subject named as, also known as established as, established form, established heading, named as, spelled as (wd:P1810 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): name by which a subject is recorded in a database, mentioned as a contributor of a work, or is referred to in a particular context, name
4. foundational text, also known as main text, treaty, organic law, founding document, establishing document (wd:P457 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): text through which an institution or object has been created or established
5. founded by, also known as starter, co-founded by, started by, institutor, instituted by (wd:P112 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): founder or co-founder of this organization, religion, place or entity, creator
6. notable work, also known as artwork, wrote, writer of, works, work (wd:P800 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): notable scientific, artistic or literary work, or other work of significance among subject's works
7. date of incorporation, also known as date incorporated, incorporated, incorporated on date, incorporation date, year incorporated (wd:P10786 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): date when company, organization or city was incorporated
8. location of formation, also known as place of incorporation, originates from, place of establishment, place of formation, place of foundation (wd:P740 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): location where a group or organization was formed, location of creation
9. main regulatory text, also known as regulated by, statutory authorization, statutory authority, legally established by, legal basis (wd:P92 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): text setting the main rules by which the subject is regulated
10. date of official opening, also known as launch date, launched, officially opened on, official opening, official opening time (wd:P1619 as prv/pr/p/pqn/psn/wdtn/wdt/ps/psv/prn/pq/pqv): date or point in time a place, organization, or event officially opened, start time, inception

[Tool]
Got 1 row and 1 column:
| date                                |
| ----------------------------------- |
| 1968-01-01T00:00:00Z (xsd:dateTime) |

[Tool] Stopped generation process