who are the organization leaders from south korea with ethnicity ethnic korean?
Entity Entity Entity Entity Entity
m.075jlq m.05xz2bx m.04svhs m.027r1h m.0hnbw4k
Ban Ki-moon David Yonggi Cho Lee Kun-hee Kim Woo-jung Han Young-sil
class entity entity
business.board_member m.06qd3 m.01xhh5
business.board_member location.country people.chinese_ethnic_group
Organization leader South Korea ethnic korean
none none none
people.person.nationality people.ethnicity.people
Country of nationality People of this ethnicity
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 :business.board_member . 
VALUES ?x1 { :m.06qd3 } 
VALUES ?x2 { :m.01xhh5 } 
?x0 :people.person.nationality ?x1 . 
?x2 :people.ethnicity.people ?x0 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND business.board_member (AND (JOIN people.person.nationality m.06qd3) (JOIN (R people.ethnicity.people) m.01xhh5)))