Question: What Chris Farley movies were released on film prior to 10 December 1993?
Answer(s):
answer: Coneheads
answer: Wayne's World

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.012801)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.012801 ns:film.actor.film ?y .
?y ns:film.performance.film ?x .
?x ns:film.film.release_date_s ?c .
?c ns:film.film_regional_release_date.release_date ?num .
FILTER (?num < "1993-12-10"^^xsd:dateTime) . 
}