What is {discoverer or inventor of} of {Trapezium Cluster}, that has {fields} is {physics} ?
Who was the Trapezium Cluster discoverer or inventor working in the field of physics?
Who was the discoverer or inventor of the Trapezium Cluster, that worked in the physics field?
SELECT ?k WHERE { resource:Trapezium_Cluster property:discoverer_or_inventor ?k . ?k property:field_of_work resource:physics }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q14031> . ?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/P101> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q413> . }
SELECT ?answer WHERE { wd:Q14031 wdt:P61 ?answer . ?answer wdt:P101 wd:Q413}
Galileo Galilei