Did {Bill_Cosby} {notable work} {Seinfeld}?
Is it true Bill_Cosby notable work Seinfeld?
ASK WHERE { wd:Q213512 wdt:P800 wd:Q23733 }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q213512> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P800> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q23733>. } 
Did Bill Cosby work on Seinfeld?