Question: What is American Airlines airline hub for the international airport
Paraphrase: What hub is used for American Airlines at the International Airport?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q32396 wdt:P113 ?obj . ?obj wdt:P31 wd:Q644371 } 
Answer: Miami International Airport, O'Hare International Airport, LaGuardia Airport, Dallas/Fort Worth International Airport, Philadelphia International Airport, Charlotte/Douglas International Airport, Phoenix Sky Harbor International Airport, John F. Kennedy International Airport, Los Angeles International Airport