Question: Find the producer who works for Silk Electric, what city is he from?
Answer(s):
answer: Gary

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:music.producer.releases_produced ns:m.030d8jw . 
?c ns:music.artist.origin ?x .
}