query: PREFIX schema: <http://schema.org/>
  
  #Missing description for a target language
  #Search for missing descriptions in a target language.
  #Can be input for Q29032512
  SELECT ?item ?itemDescription ?itemLabel WHERE {
    ?item wdt:P31 wd:Q4022.
    ?item wdt:P17 wd:Q242.
    SERVICE wikibase:label { bd:serviceParam wikibase:language "de". }
    FILTER(NOT EXISTS {
      ?item schema:description ?itemdesc.
      FILTER((LANG(?itemdesc)) = "de")
    })
  }
  ORDER BY ?itemLabel