the computer games korsakovia uses a video game engine developed by what video game engine developer
Entity
m.0dwl2
Valve Corporation
class class entity
cvg.computer_game_engine_developer cvg.computer_game_engine m.080mfrd
cvg.computer_game_engine_developer cvg.computer_game_engine cvg.computer_game_mod
Video Game Engine Developer Video Game Engine Korsakovia
none none none
cvg.computer_game_engine_developer.computer_game_engines_developed cvg.computer_game_engine.used_for_computer_games
Computer game engines developed Used for computer games
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.computer_game_engine_developer . 
?x1 :type.object.type :cvg.computer_game_engine . 
VALUES ?x2 { :m.080mfrd } 
?x0 :cvg.computer_game_engine_developer.computer_game_engines_developed ?x1 . 
?x1 :cvg.computer_game_engine.used_for_computer_games ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND cvg.computer_game_engine_developer (JOIN cvg.computer_game_engine_developer.computer_game_engines_developed (JOIN cvg.computer_game_engine.used_for_computer_games m.080mfrd)))