query: SELECT DISTINCT ?item ?da ?sv WHERE {
    ?item wdt:P31 wd:Q2177636.
    ?item rdfs:label ?da.
    OPTIONAL {
      ?item rdfs:label ?en.
      FILTER((LANG(?en)) = "en")
    }
      OPTIONAL {
      ?item rdfs:label ?sv.
      FILTER((LANG(?sv)) = "sv")
    }
    FILTER((LANG(?da)) = "da")
  }