Question: Which actor who played On-Screen Musician #31 ran against George W. Bush?
Answer(s):
answer: Ralph Nader

SPARQL query:
#MANUAL SPARQL
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
	ns:m.04qwhs ns:government.election.campaigns ?y .
	?y ns:government.election_campaign.candidate ?x .
FILTER (?x != ns:m.09b6zr)?x ns:film.actor.film ?c .
?c ns:film.performance.character ns:m.0ydh0v5 . 
}