What is the {operator} and the {manufacturer} of {Bombardier_Dash_8} ?
Who built and operated the Bombardier Dash 8?
Who is the operator and builder of the Bombardier Dash 8?
SELECT ?j ?p WHERE { resource:de_Havilland_Canada_Dash_8 property:manufacturer ?p . resource:de_Havilland_Canada_Dash_8 property:operator ?j }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q736765> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P137> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_1. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q736765> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P176> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q736765 wdt:P137 ?ans_1 . wd:Q736765 wdt:P176 ?ans_2 }
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