Question: Which language is mainly spoken, at the location where the film, "Iris" occurs?
Answer(s):
answer: Old English

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.0194zl . 
?c ns:location.country.languages_spoken ?x .
?x ns:language.human_language.main_country ?c .
}