Question: Who is the brother of the award-nominated artist of "justinbieber"?
Answer(s):
answer: Jaxon Bieber

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:award.award_nominee.award_nominations ?k .
?k ns:award.award_nomination.nominated_for ns:m.0z0gng_ . 
?c ns:people.person.sibling_s ?y .
?y ns:people.sibling_relationship.sibling ?x .
?x ns:people.person.gender ns:m.05zppz .
}