Question: What airports are the subject of the film "An American in Paris?"?
Answer(s):
answer: Paris Orly Airport
answer: Orly Air Base
answer: Beauvais–Tillé Airport
answer: Charles de Gaulle Airport

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:film.film_subject.films ns:m.05dmmc . 
?c ns:location.location.nearby_airports ?x .
}