what is the class of locomotives built by british rail classes 445 and 446?
Entity Entity Entity Entity Entity Entity
m.067n41 m.06_8l6 m.055gfk m.08l2nw m.067m8d m.07fjzj
British Rail Class 508 British Rail Class 455 British Rail Class 313 British Rail Class 315 British Rail Class 507 British Rail Class 314
class entity
rail.locomotive_class m.04dxbl
rail.locomotive_class rail.locomotive_class
Locomotive class British Rail Classes 445 and 446
none none
rail.locomotive_class.parent_class
Parent class
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 :rail.locomotive_class . 
VALUES ?x1 { :m.04dxbl } 
?x0 :rail.locomotive_class.parent_class ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND rail.locomotive_class (JOIN rail.locomotive_class.parent_class m.04dxbl))