Question: Which films were directed by the actor who plays Philosophy Club President?
Answer(s):
answer: Night Shift
answer: Grand Theft Auto
answer: A Beautiful Mind
answer: Dr. Seuss' How the Grinch Stole Christmas

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.actor.dubbing_performances ?k .
?k ns:film.dubbing_performance.character ns:m.0z7wfrg . 
?c ns:film.actor.film ?y .
?y ns:film.performance.film ?x .
?x ns:film.film.directed_by ?c .
}