what number of film songs utilize the key of f minor?
Value
2
class entity
film.film_song m.06kvkh
film.film_song music.musical_scale
Film song F minor
count none
music.composition.musical_key
Key
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 :film.film_song . 
VALUES ?x1 { :m.06kvkh } 
?x0 :music.composition.musical_key ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(COUNT (AND film.film_song (JOIN music.composition.musical_key m.06kvkh)))