Question: What Ian Somerhalder films were released before 20 October 2009?
Answer(s):
answer: The Rules of Attraction
answer: Lost City Raiders
answer: The Sensation of Sight
answer: In Enemy Hands
answer: Celebrity
answer: Pulse
answer: Changing Hearts
answer: Marco Polo
answer: Wake
answer: Life as a House
answer: The Lost Samaritan
answer: National Lampoon's TV: The Movie

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.044mvs)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.044mvs 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 < "2009-10-20"^^xsd:dateTime) . 
}