what music video director belongs to the group that also has the member blue source?
Entity Entity
m.0m3mq6y m.0m3mq77
Rob Leggatt Leigh Marling
class class entity
music.music_video_director people.group_membership m.010l4fv7
music.music_video_director people.group_membership people.group
Music video director Group membership Blue Source
none none none
people.person.group people.group.member
Group member
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.music_video_director . 
?x1 :type.object.type :people.group_membership . 
VALUES ?x2 { :m.010l4fv7 } 
?x0 :people.person.group ?x1 . 
?x2 :people.group.member ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND music.music_video_director (JOIN people.person.group (JOIN (R people.group.member) m.010l4fv7)))