name of the rocket manufactured by douglas aircraft company?
Entity Entity Entity Entity Entity Entity
m.0fbp58 m.0300dc m.07932 m.0gd4gt m.02p4z7 m.03clmt7
Saturn INT-20 Saturn I Saturn V Saturn II Saturn IB Thorad-Agena
class entity
spaceflight.rocket m.01cp1t
spaceflight.rocket spaceflight.rocket_manufacturer
Rocket Douglas Aircraft Company
none none
spaceflight.rocket.manufacturer
Manufacturer
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 . 
VALUES ?x1 { :m.01cp1t } 
?x0 :spaceflight.rocket.manufacturer ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND spaceflight.rocket (JOIN spaceflight.rocket.manufacturer m.01cp1t))