query: #Katten
  SELECT ?item ?itemLabel 
  WHERE 
  {
    ?item wdt:P108 wd:Q156598.
    ?item wdt:P106 wd:Q1622272.
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    FILTER NOT EXISTS {?item wdt:P2861 ?code}
  }