Question: Who knows who the actor is that plays Jack Gibbs, in the serial episode Kill Ari?
Answer(s):
answer: Ralph Waite

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:tv.tv_program.multipart_episodes ns:m.027yk05 . 
?c ns:tv.tv_program.regular_cast ?y .
?y ns:tv.regular_tv_appearance.actor ?x .
?y ns:tv.regular_tv_appearance.character ns:m.0h5jyc6 .
}