Question: Which movies has Chris Colfer been in that were released before April 21, 2012?
Answer(s):
answer: 8
answer: Russel Fish: The Sausage and Eggs Incident
answer: Glee Encore
answer: Glee: The 3D Concert Movie

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.07k51gd)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.07k51gd ns:film.actor.film ?y .
?y ns:film.performance.film ?x .
?x ns:film.film.initial_release_date ?num .
FILTER (?num < "2012-04-21"^^xsd:dateTime) . 
}