which rocket features 4 stages?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.028c44 m.0bmfc5s m.0gvhc5 m.080v1v m.0lzxw m.08q8fg m.01h3h6 m.0l4py m.063dvp m.0379f3 m.05zknkk g.12nvppzs8 g.11x7vjl0z m.051151 m.05p2qfc m.0gnyt
Vega Athena II Start-1 Minotaur Polar Satellite Launch Vehicle Molniya Ariane 1 Europa Minotaur-C Shavit Minotaur III null null Dnepr launch vehicle Minotaur IV Juno I
class literal
spaceflight.rocket 4^^http://www.w3.org/2001/XMLSchema#integer
spaceflight.rocket type.int
Rocket 4
none none
spaceflight.rocket.number_of_stages
Number Of Stages
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 . 
VALUES ?x1 { "4"^^<http://www.w3.org/2001/XMLSchema#integer> } 
?x0 :spaceflight.rocket.number_of_stages ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND spaceflight.rocket (JOIN spaceflight.rocket.number_of_stages 4^^http://www.w3.org/2001/XMLSchema#integer))