what is the name of the rocket engine with a dry mass of 715.0?
Entity Entity
m.02xltn9 m.02xltsb
RD-262 RD-252
class literal
spaceflight.rocket_engine 715.0^^http://www.w3.org/2001/XMLSchema#float
spaceflight.rocket_engine type.float
Rocket engine 715.0
none none
spaceflight.rocket_engine.dry_mass
Dry mass
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 :spaceflight.rocket_engine . 
VALUES ?x1 { "715.0"^^<http://www.w3.org/2001/XMLSchema#float> } 
?x0 :spaceflight.rocket_engine.dry_mass ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND spaceflight.rocket_engine (JOIN spaceflight.rocket_engine.dry_mass 715.0^^http://www.w3.org/2001/XMLSchema#float))