What is {inventor} of {deuterium}, that has {worked at} is {Columbia University} ?
Title the innovator of deuterium who worked at Columbia University.
Name the inventor of deuterium who worked at Columbia University.
SELECT ?j WHERE { resource:deuterium property:discoverer_or_inventor ?j . ?j property:employer resource:Columbia_University }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q102296> . ?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/P108> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q49088> . }
SELECT ?answer WHERE { wd:Q102296 wdt:P61 ?answer . ?answer wdt:P108 wd:Q49088}
Harold Urey