query: SELECT DISTINCT ?item ?itemLabel ?itemDescription ?adminLabel ?countryLabel ?Theatrum ?AmphiTheatrum WHERE {
    ?item wdt:P31 wd:Q19757.
    OPTIONAL { ?item wdt:P17 ?country . }
    OPTIONAL { ?item wdt:P131 ?admin . }
    OPTIONAL { ?item wdt:P5634 ?Theatrum. }
    OPTIONAL { ?item wdt:P5633 ?AmphiTheatrum. }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en,it,de". }
  }
  LIMIT 500