Question: List the time zones featured in the film "Blood Widow".?
Answer(s):
answer: UTC−05:00
answer: Central Time Zone
answer: Eastern Time Zone

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_location.featured_in_films ns:m.010l1wlv . 
?c ns:location.location.time_zones ?x .
}