Did {Montreal} {twinned administrative body} {Los Angeles} and {Bucharest} ?
This is a list of sister cities in Canada. This is a subset of the worldwide List of twin towns and sister cities. Canada also has Canada Provincial/State Twinning Relationships. .... –:Las Piñas City, Metro Manila, Philippines · Mississauga · Japan ..... "Manila-Montreal Sister City Agreement Holds Potential for Better Cooperation".
Does Montreal have a twinned administrative body of Los Angeles and Bucharest?
ASK WHERE { resource:Montreal property:twinned_administrative_body resource:Los_Angeles . resource:Montreal property:twinned_administrative_body resource:Bucharest }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q340> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P190> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q65>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q340> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P190> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q19660>. } 
ASK WHERE { wd:Q340 wdt:P190 wd:Q65 . wd:Q340 wdt:P190 wd:Q19660 }