how many musical artists play blakawout?
Value
2
class class entity
music.artist music.genre m.0dzhfls
music.artist music.genre music.recording
Musical Artist Musical genre Blakawout
count none none
music.genre.artists music.genre.recordings
Artists Recordings
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.artist . 
?x1 :type.object.type :music.genre . 
VALUES ?x2 { :m.0dzhfls } 
?x1 :music.genre.artists ?x0 . 
?x1 :music.genre.recordings ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(COUNT (AND music.artist (JOIN (R music.genre.artists) (JOIN music.genre.recordings m.0dzhfls))))