griffon utilizes what propulsion system?
Entity
m.04np8z
Lift hill
class entity
amusement_parks.roller_coaster_propulsion_system m.0g9n2r
amusement_parks.roller_coaster_propulsion_system amusement_parks.roller_coaster
Roller Coaster Propulsion System Griffon
none none
amusement_parks.roller_coaster_propulsion_system.roller_coasters
Roller Coasters
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 :amusement_parks.roller_coaster_propulsion_system . 
VALUES ?x1 { :m.0g9n2r } 
?x0 :amusement_parks.roller_coaster_propulsion_system.roller_coasters ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND amusement_parks.roller_coaster_propulsion_system (JOIN amusement_parks.roller_coaster_propulsion_system.roller_coasters m.0g9n2r))