Question: What are the types of music sung by the actor who appeared in the film Two Virgins?
Answer(s):
answer: Soft rock
answer: Blues rock
answer: Experimental music
answer: Pop rock
answer: Psychedelic rock
answer: Pop music
answer: Rock music
answer: Experimental rock
answer: Art rock

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.0w0m4mh . 
?c ns:music.artist.genre ?x .
}