Did {Diplo} {participant} {Skrillex} and {Sanjoy} ?
Does Diplo participate with Skrillex and Sanjoy?
Is Diplo a participant with Skrillex and Sanjoy?
ASK WHERE { resource:Diplo property:participant resource:Skrillex . resource:Diplo property:participant resource:Sanjoy }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q533781> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P710> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q19004>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q533781> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P710> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q16910067>. } 
ASK WHERE { wd:Q533781 wdt:P710 wd:Q19004 . wd:Q533781 wdt:P710 wd:Q16910067 }