who are all the recording producers collaborated with david qualey
Entity
m.0_k4k7z
Hansi Dobratz
class class entity
music.producer music.recording m.01mdp0p
music.producer music.recording music.producer
Record Producer Musical Recording David Qualey
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.01mdp0p } 
?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.01mdp0p)))