What is the {airline} for {item operated} of {Airbus A320}
Which is the aircraft that works Airbus A320?
Which is the airline that operates Airbus A320?
SELECT DISTINCT ?i WHERE { ?i rdf:type ontology:airline . ?i property:item_operated resource:Airbus_A320_family }
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/P121> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q6475> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q46970> } 
 select distinct ?sbj where { ?sbj wdt:P121 wd:Q6475 . ?sbj wdt:P31 wd:Q46970 } 
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