vega is in what star system?
Entity
m.0cy1gk
Epsilon Lyrae
class class entity
astronomy.star_system astronomy.constellation m.080jt
astronomy.star_system astronomy.constellation astronomy.star
Star System Constellation Vega
none none none
astronomy.star_system.constellation astronomy.constellation.contains
Constellation Stars
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 :astronomy.star_system . 
?x1 :type.object.type :astronomy.constellation . 
VALUES ?x2 { :m.080jt } 
?x0 :astronomy.star_system.constellation ?x1 . 
?x1 :astronomy.constellation.contains ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND astronomy.star_system (JOIN astronomy.star_system.constellation (JOIN astronomy.constellation.contains m.080jt)))