the capacity of 27.0 belongs to which piston engine?
Entity
m.09qx4
Rolls-Royce Merlin
class literal
engineering.piston_engine 27.0^^http://www.w3.org/2001/XMLSchema#float
engineering.piston_engine type.float
Piston engine 27.0
none none
engineering.piston_engine.capacity
Capacity
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.piston_engine . 
VALUES ?x1 { "27.0"^^<http://www.w3.org/2001/XMLSchema#float> } 
?x0 :engineering.piston_engine.capacity ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND engineering.piston_engine (JOIN engineering.piston_engine.capacity 27.0^^http://www.w3.org/2001/XMLSchema#float))