Did {Ed_Gein} {cause of death} {drowning}?
Did Ed Gein die by drowning?
was ed gein's cause of death drowning?
ASK WHERE { resource:Ed_Gein property:cause_of_death resource:drowning }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q309643> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P509> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q506616>. } 
ASK WHERE { wd:Q309643 wdt:P509 wd:Q506616 }