Did {David_Duchovny} {occupation} {singer-songwriter} and {screenwriter} ?
Is it true that the occupation of David Duchovny's occupation was singer, songwriter and screenwriter?
Was David_Duchovny occupation singer-songwriter and screenwriter?
ASK WHERE { resource:David_Duchovny property:occupation resource:singer-songwriter . resource:David_Duchovny property:occupation resource:screenwriter }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q484365> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P106> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q488205>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q484365> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P106> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q28389>. } 
ASK WHERE { wd:Q484365 wdt:P106 wd:Q488205 . wd:Q484365 wdt:P106 wd:Q28389 }