Question: Which university with an athletic team called USC Trojans football was attended by Clay Matthews?
Answer(s):
answer: University of Southern California

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.04zy7pw)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.04zy7pw ns:people.person.education ?y .
?y ns:education.education.institution ?x .
?x ns:education.educational_institution.sports_teams ns:m.07k53y . 
}