the genre of da force has how many musical artists?
Value
952
class class entity
music.artist music.genre m.0m6yt2
music.artist music.genre music.recording
Musical Artist Musical genre Da Force
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.0m6yt2 } 
?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.0m6yt2))))