the song i'm free was written by what musical artist?
Entity
m.04_6p1
Jagger/Richards
class entity
music.songwriter m.02pzvzl
music.songwriter film.film_song
Songwriter I'm Free
none none
music.lyricist.lyrics_written
Lyrics Written
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 (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :music.songwriter . 
VALUES ?x1 { :m.02pzvzl } 
?x0 :music.lyricist.lyrics_written ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND music.songwriter (JOIN music.lyricist.lyrics_written m.02pzvzl))