Question: Which film directed by Penelope Spheeris featured Jenna Dewan?
Answer(s):
answer: Balls to the Wall

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0ck1l0)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0ck1l0 ns:film.actor.film ?y .
?y ns:film.performance.film ?x .
?x ns:film.film.directed_by ns:m.01b8tj . 
}