query: #Missing labels for English
  #Where labels exist in Spanish
  #Occupation = nonfiction writer or subclass
  SELECT ?item ?itemLabel ?itemDescription WHERE {
    ?item wdt:P31 wd:Q5;
      (p:P106/ps:P106/(wdt:P279*)) wd:Q15980158.
    SERVICE wikibase:label { bd:serviceParam wikibase:language "es". }
    FILTER(NOT EXISTS {
      ?item rdfs:label ?lang_label.
      FILTER((LANG(?lang_label)) = "en")
    })
    FILTER(EXISTS {
      ?item rdfs:label ?lang_label.
      FILTER((LANG(?lang_label)) = "es")
    })
  }
  ORDER BY (?itemLabel)
  LIMIT 10