query: SELECT ?item ?itemLabel (STRAFTER(STR(?item), STR(<http://www.wikidata.org/entity/>)) AS ?id) ?holders WHERE {
    {
      SELECT ?item (COUNT(DISTINCT ?statement) AS ?holders) WHERE {
        ?item wdt:P279* wd:Q2661677.
        OPTIONAL {
          ?person p:P39 ?statement.
          ?statement ps:P39 ?item.
        }
      }
      GROUP BY ?item ?itemLabel
    }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en,et". }
  }
  ORDER BY DESC(?holders) ?itemLabel