query: SELECT ?item ?numberofstatements WHERE {
    ?article schema:about ?item;
             schema:isPartOf <https://nl.wikipedia.org/>.
    ?item wdt:P31 wd:Q5;
          wdt:P569 ?dateOfBirth.
    ?item
          wikibase:statements ?numberofstatements.
    MINUS { ?item wdt:P570 ?dateOfDeath. }
    MINUS { ?item wdt:P2032 ?workperiodEnd. }
    MINUS { ?item wdt:P1317 ?floruit. }
    FILTER(?dateOfBirth >= "0001-01-01T00:00:00Z"^^xsd:dateTime && ?dateOfBirth <= "1923-01-01T00:00:00Z"^^xsd:dateTime)
  }