Did {Colosseum} {material used} {basalt}?
Was the Colosseum built with basalt?
ASK WHERE { wd:Q10285 wdt:P186 wd:Q43338 }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q10285> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P186> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q43338>. } 
Was basalt used to build the Colosseum?