toyota prius nhw11 battery is the energy source of what engine?
Entity Entity
m.085dh9r m.085dhb1
Toyota Prius NHW11 MG2 electric motor Toyota Prius NHW11 MG1 electric motor
class entity
engineering.engine m.085dh9n
engineering.engine engineering.engine_energy_source
Engine Toyota Prius NHW11 Battery
none none
engineering.engine.energy_source
Energy source
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 :engineering.engine . 
VALUES ?x1 { :m.085dh9n } 
?x0 :engineering.engine.energy_source ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND engineering.engine (JOIN engineering.engine.energy_source m.085dh9n))