Question: Of the movies that Leo Howard acts in, which was released before July 27, 2009?
Answer(s):
answer: Children of the Corn
answer: Aussie & Ted's Great Adventure

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.05sqlp_)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.05sqlp_ ns:film.actor.film ?y .
?y ns:film.performance.film ?x .
?x ns:film.film.initial_release_date ?num .
FILTER (?num < "2009-07-27"^^xsd:dateTime) . 
}