What is {discoverer or inventor of} of {plutonium}, that has {place of residence} is {United States of America} ?
Who is the innovator of plutonium, that lived in US?
Who is the inventor of plutonium, that lived in US?
SELECT ?s WHERE { ?s property:residence resource:United_States_of_America . resource:plutonium property:discoverer_or_inventor ?s }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1102> . ?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/P551> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q30> . }
SELECT ?answer WHERE { wd:Q1102 wdt:P61 ?answer . ?answer wdt:P551 wd:Q30}
Glenn Seaborg Arthur Wahl