what is the name of principality of wales family?
Entity Entity
m.02p4pt3 m.07ply
House of Plantagenet Tudor dynasty
class entity
people.family m.0576g9
people.family location.country
Family Principality of Wales
none none
people.family.country
Country
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 :people.family . 
VALUES ?x1 { :m.0576g9 } 
?x0 :people.family.country ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND people.family (JOIN people.family.country m.0576g9))