what aircraft model has riesenflugzeug as part of line?
Entity Entity Entity
m.0gtvncf m.03mmft m.05t0n3f
Siemens-Schuckert R.I AEG R.I Zeppelin-Lindau Rs.I
class entity
aviation.aircraft_model m.02pn8dg
aviation.aircraft_model aviation.aircraft_line
Aircraft model Riesenflugzeug
none none
aviation.aircraft_model.part_of_line
Part Of Line
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.02pn8dg } 
?x0 :aviation.aircraft_model.part_of_line ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND aviation.aircraft_model (JOIN aviation.aircraft_model.part_of_line m.02pn8dg))