What is the {aircraft fleet} for {uses} of {helicopter}
What is the name of the a aircraft fleet that is used by helicopters?
Which is the aircraft fleet used by a helicopter?
SELECT DISTINCT ?b WHERE { ?b rdf:type ontology:Q17372500 . ?b property:uses resource:helicopter }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2283> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q34486> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q17372500> } 
 select distinct ?sbj where { ?sbj wdt:P2283 wd:Q34486 . ?sbj wdt:P31 wd:Q17372500 } 