Did {Mark_Zuckerberg} {given name} {Mark}?
Is Mark, Mark Zuckerberg's real name?
Is Mark Zuckerberg real name, Mark?
ASK WHERE { resource:Mark_Zuckerberg property:given_name resource:Mark }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q36215> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P735> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q13610143>. } 
ASK WHERE { wd:Q36215 wdt:P735 wd:Q13610143 }