who is the artist of the martial art kenpo?
Entity Entity Entity Entity Entity
m.02wlv9 m.075qx7b m.01xrwvx m.075r1y5 m.0gm9bt
Ed Parker Frank Landers Chris Maden Danny Rodarte John McSweeney
class entity
martial_arts.martial_artist m.02cxf5
martial_arts.martial_artist martial_arts.martial_art
Martial Artist kenpo
none none
martial_arts.martial_artist.martial_art
Martial Art(s)
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 :martial_arts.martial_artist . 
VALUES ?x1 { :m.02cxf5 } 
?x0 :martial_arts.martial_artist.martial_art ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND martial_arts.martial_artist (JOIN martial_arts.martial_artist.martial_art m.02cxf5))