What is the {civil aircraft} for {item operated} of {American Airlines}
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Name a civil aircraft operated by American Airlines.
SELECT DISTINCT ?d WHERE { resource:American_Airlines property:item_operated ?d . ?d rdf:type ontology:civil_aircraft }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q32396> . ?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> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q2438179> } 
 select distinct ?obj where { wd:Q32396 wdt:P121 ?obj . ?obj wdt:P31 wd:Q2438179 } 