query: SELECT DISTINCT ?item ?itemLabel 
  WHERE {
    ?sitelink wikibase:badge wd:Q17437796 ; schema:isPartOf <https://es.wikipedia.org/>.
    ?sitelink schema:about ?item .
    FILTER NOT EXISTS { ?wen schema:about ?item; schema:isPartOf <https://en.wikipedia.org/> . }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "es" }
  } 
  
  