Did {Christopher_Columbus} {place of death} {Valladolid}?
Did Columbus die in Valladolid?
Is Valladolid Christopher Columbus place of death?
ASK WHERE { resource:Christopher_Columbus property:place_of_death resource:Valladolid }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q7322> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P20> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q8356>. } 
ASK WHERE { wd:Q7322 wdt:P20 wd:Q8356 }