Did {Mao_Zedong} {position held} {President of the People's Republic of China}?
Was Mao Zedong ever President of the People's Republic of China?
Did Mao Zedong hold a position as President of the People's Republic of China?
ASK WHERE { resource:Mao_Zedong property:position_held resource:President_of_the_People's_Republic_of_China }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5816> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q655407>. } 
ASK WHERE { wd:Q5816 wdt:P39 wd:Q655407 }