name the natural or cultural site designation which belongs to the category united states national monument.
Entity Entity
m.09qx9m m.0h52w
National Landscape Conservation System National Register of Historic Places
class entity
protected_sites.natural_or_cultural_site_designation m.01d_xw
protected_sites.natural_or_cultural_site_designation protected_sites.site_listing_category
Natural or Cultural Site Designation united states national monument
none none
protected_sites.natural_or_cultural_site_designation.categories
Categories
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 :protected_sites.natural_or_cultural_site_designation . 
VALUES ?x1 { :m.01d_xw } 
?x0 :protected_sites.natural_or_cultural_site_designation.categories ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND protected_sites.natural_or_cultural_site_designation (JOIN protected_sites.natural_or_cultural_site_designation.categories m.01d_xw))