who is the producer of the broadcast content with genre bluegrass?
Entity Entity
m.09vtxm m.03gbr81
Radioio 181.fm
class class entity
broadcast.producer broadcast.content m.0gg8l
broadcast.producer broadcast.content broadcast.genre
Broadcast Producer Broadcast Content Bluegrass
none none none
broadcast.content.producer broadcast.content.genre
Producer Genres
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 :broadcast.producer . 
?x1 :type.object.type :broadcast.content . 
VALUES ?x2 { :m.0gg8l } 
?x1 :broadcast.content.producer ?x0 . 
?x1 :broadcast.content.genre ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND broadcast.producer (JOIN (R broadcast.content.producer) (JOIN broadcast.content.genre m.0gg8l)))