what is the category of engine continental t51?
Entity
m.030fq4
Turboshaft
class entity
engineering.engine_category m.05n00vz
engineering.engine_category engineering.engine
Engine category Continental T51
none none
engineering.engine_category.engines
Engines
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_category . 
VALUES ?x1 { :m.05n00vz } 
?x0 :engineering.engine_category.engines ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND engineering.engine_category (JOIN engineering.engine_category.engines m.05n00vz))