Did {Kelly_Clarkson} {family name} {Clarkson}?
Is Clarkson Kelly Clarkson's family name?
Is Kelly Clarkson's family name Clarkson?
ASK WHERE { resource:Kelly_Clarkson property:family_name resource:Clarkson }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q483507> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P734> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q16359986>. } 
ASK WHERE { wd:Q483507 wdt:P734 wd:Q16359986 }