which space program has the mission as shenzhou 2?
Entity
m.03cq_g1
Shenzhou program
class entity
spaceflight.space_program m.03k4wv
spaceflight.space_program spaceflight.space_mission
Space program Shenzhou 2
none none
spaceflight.space_program.missions
Missions
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.space_program . 
VALUES ?x1 { :m.03k4wv } 
?x0 :spaceflight.space_program.missions ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND spaceflight.space_program (JOIN spaceflight.space_program.missions m.03k4wv))