Question: What's the current government of the location, where the film, "Vietnam, Long Time Coming", occurs?
Answer(s):
answer: Communist state
answer: Socialist state
answer: Single-party state

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.03nr7mp . 
?c ns:location.country.form_of_government ?x .
}