Did {Achilles} {partner} {Helen of Troy} and {Penthesilea} ?
Who was the companion of Helen of Troy and Penthesilea?
Was Achilles the partner of Helen of Troy and Penthesilea?
ASK WHERE { resource:Achilles property:unmarried_partner resource:Helen_of_Troy . resource:Achilles property:unmarried_partner resource:Penthesilea }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q41746> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P451> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q164061>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q41746> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P451> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q379828>. } 
ASK WHERE { wd:Q41746 wdt:P451 wd:Q164061 . wd:Q41746 wdt:P451 wd:Q379828 }