what functions are supported by rockets that also support single stage to orbit?
Entity Entity Entity Entity
m.02bl11 m.04rkwz m.0373zf m.01xhvp
Spaceplane Launch vehicle Orbital spaceflight Reusable launch system
class class entity
spaceflight.rocket_function spaceflight.rocket m.078sm
spaceflight.rocket_function spaceflight.rocket spaceflight.rocket_function
Rocket Function Rocket single stage to orbit
none none none
spaceflight.rocket_function.rockets_supporting_this_function spaceflight.rocket_function.rockets_supporting_this_function
Rockets supporting this function Rockets supporting this function
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_function . 
?x1 :type.object.type :spaceflight.rocket . 
VALUES ?x2 { :m.078sm } 
?x0 :spaceflight.rocket_function.rockets_supporting_this_function ?x1 . 
?x2 :spaceflight.rocket_function.rockets_supporting_this_function ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND spaceflight.rocket_function (JOIN spaceflight.rocket_function.rockets_supporting_this_function (JOIN (R spaceflight.rocket_function.rockets_supporting_this_function) m.078sm)))