Question: On a movie Dean G. Roberts crewed, who played Bella?
Answer(s):
answer: Kristen Stewart
answer: Catherine Grimme

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.other_crew ?k .
?k ns:film.film_crew_gig.crewmember ns:m.0gb4myz . 
?c ns:film.film.starring ?y .
?y ns:film.performance.actor ?x .
?y ns:film.performance.character ns:m.027b7y9 .
}