which asteroid family contains nikolai chernykh's asteroid?
Entity Entity Entity Entity Entity
m.0bh7lz m.0bs6jv m.027ktwc m.05stf7 m.06ngmy
Flora family Koronis family Nysa family Gefion family Pallas family
class class entity
astronomy.asteroid_family astronomy.asteroid m.02xbkk
astronomy.asteroid_family astronomy.asteroid astronomy.astronomer
Asteroid Family Asteroid Nikolai Chernykh
none none none
astronomy.asteroid.member_of_asteroid_family astronomy.astronomer.astronomical_objects_discovered
Member of Asteroid Family Astronomical objects discovered
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.asteroid_family . 
?x1 :type.object.type :astronomy.asteroid . 
VALUES ?x2 { :m.02xbkk } 
?x1 :astronomy.asteroid.member_of_asteroid_family ?x0 . 
?x2 :astronomy.astronomer.astronomical_objects_discovered ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND astronomy.asteroid_family (JOIN (R astronomy.asteroid.member_of_asteroid_family) (JOIN (R astronomy.astronomer.astronomical_objects_discovered) m.02xbkk)))