Question: What actor who acted in the film The Circus inspired Michael Jackson to become a singer?
Answer(s):
answer: Charlie Chaplin

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.09889g)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.09889g ns:influence.influence_node.influenced_by ?x .
?x ns:film.actor.film ?c .
?c ns:film.performance.film ns:m.011_mj . 
}