query: SELECT ?item ?itemLabel WHERE {
     ?item wdt:P17 wd:Q40;
     rdfs:label ?itemLabel;
     FILTER (LANG(?itemLabel) = "de-at"). 
     FILTER regex(?itemLabel, "geonames", "i").
      SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],de" } .
  } limit 500