what is manufactured by the extra aircraft ?
Entity Entity Entity Entity Entity Entity Entity
m.03z97b m.03qnd06 m.04hwnf m.0gwf5fs m.0gwf5fz m.026k44m m.04jf4fp
Extra EA-300 Extra EA-230 Extra EA-200 Extra 330 LX Extra 330 LT Extra EA-500 Extra EA-400
class entity
aviation.aircraft_model m.05gdb_
aviation.aircraft_model aviation.aircraft_manufacturer
Aircraft model Extra Aircraft
none none
aviation.aircraft_model.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 :aviation.aircraft_model . 
VALUES ?x1 { :m.05gdb_ } 
?x0 :aviation.aircraft_model.manufacturer ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND aviation.aircraft_model (JOIN aviation.aircraft_model.manufacturer m.05gdb_))