Question: What guitar was played by the actor who appeared in the film "Cream: Disraeli Gears"?
Answer(s):
answer: Gibson SG
answer: Fender Stratocaster

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:film.actor.film ?k .
?k ns:film.performance.film ns:m.0crxr8w . 
?c ns:music.guitarist.guitars_played ?x .
}