What is the {airline} for {item operated} of {Airbus A300}
Airbus A300 is operated by which airline?
What is the name of the airline that operated Airbus A300?
SELECT DISTINCT ?a WHERE { ?a property:item_operated resource:Airbus_A300 . ?a rdf:type ontology:airline }
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/Q6437> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q46970> } 
 select distinct ?sbj where { ?sbj wdt:P121 wd:Q6437 . ?sbj wdt:P31 wd:Q46970 } 
Thai Airways China Eastern Airlines Air Hong Kong Iran Air Tunisair Monarch Airlines Japan Air System Hapag-Lloyd Flug American Airlines Cathay Dragon