Question: How many teams are there in the NCAA football, one of which  plays in Los Angeles?
Answer(s):
answer: USC Trojans football

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0gh43)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0gh43 ns:sports.sports_league.teams ?y .
?y ns:sports.sports_league_participation.team ?x .
?x ns:common.topic.notable_types ns:m.01xljyt .
?x ns:sports.sports_team.location ns:m.030qb3t . 
}