Did {Roe_v._Wade} {cites} {Muskrat v. United States}?
Is it true that Roe v. Wade cite the Muskrat v. United States?
Did Roe v. Wade cite the Muskrat v. United States?
ASK WHERE { resource:Roe_v._Wade property:cites_work resource:Muskrat_v._United_States }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q300950> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2860> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q175958>. } 
ASK WHERE { wd:Q300950 wdt:P2860 wd:Q175958 }