What is the {operator} and the {manufacturer} of {Boeing_787_Dreamliner} ?
Who invent and operate the Boeing 787 Dreamliner?
Who is the manufacturer and operator of the Boeing 787 Dreamliner?
SELECT ?t ?e WHERE { resource:Boeing_787_Dreamliner property:operator ?t . resource:Boeing_787_Dreamliner property:manufacturer ?e }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q6428> . ?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/Q6428> . ?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:Q6428 wdt:P137 ?ans_1 . wd:Q6428 wdt:P176 ?ans_2 }
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