what dwarf planet is in the solar-system?
Entity Entity Entity Entity Entity
m.074hkr m.074z2n m.0c3qy m.0dv9zp m.0gb731
Haumea Makemake Pluto Ceres Eris
class entity
astronomy.dwarf_planet m.06p5g
astronomy.dwarf_planet astronomy.star_system
Dwarf Planet solar-system
none none
astronomy.dwarf_planet.star_system
Star System
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.dwarf_planet . 
VALUES ?x1 { :m.06p5g } 
?x0 :astronomy.dwarf_planet.star_system ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND astronomy.dwarf_planet (JOIN astronomy.dwarf_planet.star_system m.06p5g))