Question: What are the names of Romney's sons?
Answer(s):
answer: Tagg Romney
answer: Josh Romney

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0271_s)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0271_s ns:people.person.children ?x .
?x ns:people.person.gender ns:m.05zppz .
?x ns:people.person.religion ns:m.058x5 . 
}