Question: What kind of guitars were played by the person who once lived in Forest Knolls, Marin Country, California?
Answer(s):
answer: Gibson SG
answer: Gibson Les Paul
answer: Fender Stratocaster

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:people.person.places_lived ?k .
?k ns:people.place_lived.location ns:m.064pkk9 . 
?c ns:music.guitarist.guitars_played ?x .
}