What is {discoverer or inventor of} of {californium}, that has {birthyear} is {1912-3-9} ?
Who is the pioneer of californium whose birthyear is 1912-3-9 ?
Who is the discoverer of californium whose birthyear is 1912-3-9 ?
SELECT ?y WHERE { FILTER ( CONTAINS ( YEAR ( ?y ) , '1912' ) ) . resource:Californium property:discoverer_or_inventor ?y . ?y property:date_of_birth ?y }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1888> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P61>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?answer. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P569> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <1912-3-9> . }
SELECT ?answer WHERE { wd:Q1888 wdt:P61 ?answer . ?answer wdt:P569 ?x FILTER(contains(YEAR(?x),'1912'))}
Glenn Seaborg Stanley Gerald Thompson