the math rock musical genre has how many soundtracks?
Value
10
class class entity
music.soundtrack music.genre m.01gbcf
music.soundtrack music.genre music.genre
Soundtrack Musical genre Math rock
count none none
music.genre.albums music.genre.parent_genre
Albums Parent genres
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (COUNT(?x0) AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :music.soundtrack . 
?x1 :type.object.type :music.genre . 
VALUES ?x2 { :m.01gbcf } 
?x1 :music.genre.albums ?x0 . 
?x1 :music.genre.parent_genre ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(COUNT (AND music.soundtrack (JOIN (R music.genre.albums) (JOIN music.genre.parent_genre m.01gbcf))))