Question: What genre of music is in the album title "savior" and was also played by John Mayer?
Answer(s):
answer: Pop rock

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:music.genre.albums ns:g.11b7_l608h . 
}