the soho-620 belongs to which comet group?
Entity
m.05jvsz
Kreutz Sungrazers
class entity
astronomy.comet_group m.02_wqk7
astronomy.comet_group astronomy.comet
Comet group SOHO-620
none none
astronomy.comet_group.comet
Comet family members
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.comet_group . 
VALUES ?x1 { :m.02_wqk7 } 
?x0 :astronomy.comet_group.comet ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND astronomy.comet_group (JOIN astronomy.comet_group.comet m.02_wqk7))