nighthorse campbell has the same ethnicity as which recipe author?
Entity
m.02z648
Emeril Lagasse
class class entity
food.recipe_author people.ethnicity m.01xw7g
food.recipe_author people.ethnicity military.military_person
Recipe author Ethnicity nighthorse campbell
none none none
people.person.ethnicity people.ethnicity.people
Ethnicity 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 :food.recipe_author . 
?x1 :type.object.type :people.ethnicity . 
VALUES ?x2 { :m.01xw7g } 
?x0 :people.person.ethnicity ?x1 . 
?x1 :people.ethnicity.people ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND food.recipe_author (JOIN people.person.ethnicity (JOIN people.ethnicity.people m.01xw7g)))