What is the {operator} and the {powerplant} of {Rockwell_B-1_Lancer} ?
Who is the operator and powerplant of Rockwell B-1 Lancer?
SELECT ?ans_1 ?ans_2 WHERE { wd:Q218636 wdt:P137 ?ans_1 . wd:Q218636 wdt:P516 ?ans_2 }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q218636> . ?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/Q218636> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P516> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
Who is in control of the energy plant, Rockwell B-1 Lancer?