What is <periapsis date> of <Halley's Comet> ?
[]
Which is the periapsis date for Halley's Comet?
SELECT DISTINCT ?r WHERE { resource:Halley's_Comet property:periapsis_date ?r }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q23054> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2285> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q23054 wdt:P2285 ?answer}
2061-07-28T00:00:00Z