what type of aircraft is the fokker d.viii and lockheed xp-49?
Entity
m.02yjc
Fighter aircraft
class entity entity
aviation.aircraft_type m.06tfg7 m.01v11x
aviation.aircraft_type aviation.aircraft_model aviation.aircraft_model
Aircraft type Lockheed XP-49 Fokker D.VIII
none none none
aviation.aircraft_type.aircraft_of_this_type aviation.aircraft_model.aircraft_type
Aircraft of this type Aircraft type
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 :aviation.aircraft_type . 
VALUES ?x1 { :m.06tfg7 } 
VALUES ?x2 { :m.01v11x } 
?x0 :aviation.aircraft_type.aircraft_of_this_type ?x1 . 
?x2 :aviation.aircraft_model.aircraft_type ?x0 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND aviation.aircraft_type (AND (JOIN aviation.aircraft_type.aircraft_of_this_type m.06tfg7) (JOIN (R aviation.aircraft_model.aircraft_type) m.01v11x)))