which rocket engine is designed by pratt and whitney?
Entity
m.0351y6
RL10
class entity
spaceflight.rocket_engine m.0dl93
spaceflight.rocket_engine spaceflight.rocket_engine_designer
Rocket engine pratt and whitney
none none
spaceflight.rocket_engine.designed_by
Designed by
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 :spaceflight.rocket_engine . 
VALUES ?x1 { :m.0dl93 } 
?x0 :spaceflight.rocket_engine.designed_by ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND spaceflight.rocket_engine (JOIN spaceflight.rocket_engine.designed_by m.0dl93))