query: SELECT ?item ?lang_label ?itemDescription
  WHERE
  {
    hint:Query hint:optimizer "None".
    ?item wdt:P106/wdt:P279* wd:Q15980158 .
    FILTER NOT EXISTS { ?item rdfs:label ?lang_label0. FILTER((LANG(?lang_label0)) = "en") }
    ?item rdfs:label ?lang_label . 
    FILTER( LANG(?lang_label) = "es")
    ?item wdt:P31 wd:Q5 .
  }
  LIMIT 10