Did {Boeing_777} {operator} {Lufthansa}?
Was Boeing 777 operated by Lufthansa?
ASK WHERE { wd:Q6425 wdt:P137 wd:Q9325 }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q6425> . ?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> <http://wikidata.dbpedia.org/resource/Q9325>. } 
Does Lufthansa  operate Boeing 777