What is {date incorporated} of {college attended} of {Jack Ma} ?
Specify the year in which Jack Ma graduated from college.
Which year did Jack Ma graduate college?
SELECT ?m WHERE { resource:Jack_Ma property:educated_at ?k . ?k property:inception ?m }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1137062> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P69>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P571> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q1137062 wdt:P69 ?X . ?X wdt:P571 ?answer}
1978-01-01T00:00:00Z