Question: What music style did John Mayer play and Walid BERRAZEG was a hobbyist of?
Answer(s):
answer: Blues

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01s21dg)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01s21dg ns:music.artist.genre ?x .
?x ns:interests.hobby.people_with_this_hobby ns:m.011xcz45 . 
}