what type of material is the roller coaster wildebeest made out of?
Entity
m.02yjlh
Steel
class class class entity
amusement_parks.roller_coaster_material amusement_parks.roller_coaster amusement_parks.ride_type m.0hht7zx
amusement_parks.roller_coaster_material amusement_parks.roller_coaster amusement_parks.ride_type amusement_parks.ride
Roller Coaster Material Roller Coaster Amusement Ride Type Wildebeest
none none none none
amusement_parks.roller_coaster.material amusement_parks.ride.ride_type amusement_parks.ride_type.rides
Material Ride Type Rides
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_material . 
?x1 :type.object.type :amusement_parks.roller_coaster . 
?x2 :type.object.type :amusement_parks.ride_type . 
VALUES ?x3 { :m.0hht7zx } 
?x1 :amusement_parks.roller_coaster.material ?x0 . 
?x1 :amusement_parks.ride.ride_type ?x2 . 
?x2 :amusement_parks.ride_type.rides ?x3 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x0 != ?x3 && ?x1 != ?x2 && ?x1 != ?x3 && ?x2 != ?x3  )
}
}
(AND amusement_parks.roller_coaster_material (JOIN (R amusement_parks.roller_coaster.material) (JOIN amusement_parks.ride.ride_type (JOIN amusement_parks.ride_type.rides m.0hht7zx))))