Question: What is the name of the character from Lord of the Rings that wrote the lyrics for "A Boy and His Sister"?
Answer(s):
answer: Aragorn

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:music.lyricist.lyrics_written ns:m.0zxcsxy . 
?c ns:film.actor.film ?y .
?y ns:film.performance.character ?x .
?y ns:film.performance.film ns:m.017gl1 .
}