What is the {aircraft family} for {item operated} of {easyJet}
What's the name of the aircraft family EasyJet runs?
Which aircraft family is operated by EasyJet?
SELECT DISTINCT ?g WHERE { ?g rdf:type ontology:aircraft_family . resource:easyJet property:item_operated ?g }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q191551> . ?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/Q15056993> } 
 select distinct ?obj where { wd:Q191551 wdt:P121 ?obj . ?obj wdt:P31 wd:Q15056993 } 
Airbus A320 family