which boxing sanctioning body has the title of wba world champion?
Entity
m.0n5qf
World Boxing Association
class entity
boxing.boxing_sanctioning_body m.0chgh2j
boxing.boxing_sanctioning_body boxing.boxing_title
Boxing sanctioning body WBA World Champion
none none
boxing.boxing_sanctioning_body.titles
Titles
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 :boxing.boxing_sanctioning_body . 
VALUES ?x1 { :m.0chgh2j } 
?x0 :boxing.boxing_sanctioning_body.titles ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND boxing.boxing_sanctioning_body (JOIN boxing.boxing_sanctioning_body.titles m.0chgh2j))