Question: Which countries, was the region, were the location is the subject of the movie, Jacob's Ladder?
Answer(s):
answer: Vietnam
answer: Cambodia
answer: Laos
answer: Southeast Asia
answer: South Vietnam
answer: North Vietnam

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.02gypn . 
?c ns:time.event.locations ?x .
}