query: #Missing description for a target language
  #Search for missing descriptions in a target language.
  #Can be input for Q29032512
  SELECT ?item ?occupationLabel ?itemDescription WHERE {
    ?item wdt:P31 wd:Q5;
      wdt:P27 wd:Q33.
    OPTIONAL { ?item wdt:P106 ?occupation. }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "de". }
    ?item wdt:P21 wd:Q6581097.
    FILTER(EXISTS {
      ?item schema:description ?itemdesc.
      FILTER((LANG(?itemdesc)) = "de")
    })
  }
  ORDER BY (?itemLabel)       