Did {Celine_Dion} {participant of} {Eurovision Song Contest 1990}?
Was Celine Dion a participant of the Eruovision Song contest in 1990?
In 1990, did Celine Dion participant in the Eurovision Song Contest ?
ASK WHERE { resource:Céline_Dion property:participant_in resource:Eurovision_Song_Contest_1990 }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5105> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1344> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q207538>. } 
ASK WHERE { wd:Q5105 wdt:P1344 wd:Q207538 }