query: SELECT ?item ?itemLabel ?instanceOfLabel ?countryLabel WHERE {
    
    ?item wdt:P31 wd:Q21029893 .
    ?item wdt:P17 wd:Q55 . 
    
    SERVICE wikibase:label { bd:serviceParam wikibase:language "nl" . }  #change the "en" if you want the labels in different language
  }
  