tony humphries collaborated with what recording producers?
Entity Entity Entity Entity Entity
m.03f6n1l m.03f6n2r m.01f2s5 m.01vvkg8 m.01wm_nc
Eric Wikman James Donaldson Jungle Brothers Paul Fox DJ Red Alert
class class entity
music.producer music.recording m.01w8w6z
music.producer music.recording music.producer
Record Producer Musical Recording Tony Humphries
none none none
music.producer.tracks_produced music.recording.producer
Recordings produced Producer
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.producer . 
?x1 :type.object.type :music.recording . 
VALUES ?x2 { :m.01w8w6z } 
?x0 :music.producer.tracks_produced ?x1 . 
?x1 :music.recording.producer ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND music.producer (JOIN music.producer.tracks_produced (JOIN music.recording.producer m.01w8w6z)))