What is {architecture firm} of {home water} of {Boston Celtics} ?
what were the engineering firm of domestic water of boston celitics/
what were the architecture  firm of  home water of  boston  celitics/
SELECT ?k WHERE { resource:Boston_Celtics property:home_venue ?w . ?w property:architect ?k }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q131371> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P115>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P84> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q131371 wdt:P115 ?X . ?X wdt:P84 ?answer}
Ellerbe Becket