Question: Which aircrafts do Cathay Pacific operate?
Paraphrase: What planes do Cathay Pacific fly?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q32141 wdt:P121 ?obj . ?obj wdt:P31 wd:Q15056993 } 
Answer: DC-3, DC-4, PBY Catalina, Anson, Lockheed L-188 Electra, Convair 880, Boeing 747-400, Bristol Britannia, Lockheed L-1011 TriStar, Boeing 707, Boeing 777, Airbus A330, A350, Boeing 747