Did {Cuban_Missile_Crisis} {participant} {United States of America} and {Soviet Union} ?
Were the United States and Soviet Union the two countries involved in the Cuban Missile Crisis?
Was Cuban_Missile_Crisis participant United States of America and Soviet Union ?
ASK WHERE { resource:Cuban_Missile_Crisis property:participant resource:United_States_of_America . resource:Cuban_Missile_Crisis property:participant resource:Soviet_Union }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q128160> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P710> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q30>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q128160> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P710> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q15180>. } 
ASK WHERE { wd:Q128160 wdt:P710 wd:Q30 . wd:Q128160 wdt:P710 wd:Q15180 }