Question: Which celebrities have dated the nominee for the Speak Now World Tour?
Answer(s):
answer: Joe Jonas
answer: Harry Styles

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.0fp_jt_ . 
?c ns:celebrities.celebrity.sexual_relationships ?y .
?y ns:celebrities.romantic_relationship.celebrity ?x .
}