Question: What airlines use the Airbus A340?
Paraphrase: What carriers utilize the Airbus A340?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q6481 wdt:P137 ?obj . ?obj wdt:P31 wd:Q46970 } 
Answer: Aerolíneas Argentinas, Air France, Scandinavian Airlines, Iberia, Qatar Airways, South African Airways, Air Madagascar, Air Tahiti Nui, Swissair, Mahan Air, Lufthansa, Virgin Atlantic