identify a video game developer who is the developer of a video game mod that uses quake 3 engine.
Entity
m.042xcxd
CPMA Team
class class entity
cvg.cvg_developer cvg.computer_game_mod m.061xjs
cvg.cvg_developer cvg.computer_game_mod cvg.computer_game_engine
Video Game Developer Video Game Mod quake 3 engine
none none none
cvg.computer_videogame.developer cvg.computer_videogame.uses_game_engine
Developer Uses game engine
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 :cvg.cvg_developer . 
?x1 :type.object.type :cvg.computer_game_mod . 
VALUES ?x2 { :m.061xjs } 
?x1 :cvg.computer_videogame.developer ?x0 . 
?x1 :cvg.computer_videogame.uses_game_engine ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND cvg.cvg_developer (JOIN (R cvg.computer_videogame.developer) (JOIN cvg.computer_videogame.uses_game_engine m.061xjs)))