Question: What university contains Campbell hall and was attended by Jack London?
Answer(s):
answer: University of California, Berkeley

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0bt23)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0bt23 ns:people.person.education ?y .
?y ns:education.education.institution ?x .
?x ns:location.location.contains ns:m.0xnldvt . 
}