query: SELECT ?item ?NumberInTheSeries WHERE {
    ?item wdt:P31 wd:Q525504.
    ?item wdt:P31 wd:Q19953632.
    ?item wdt:P31 ?istanza ; p:P31 [pq:P1545 ?NumberInTheSeries] .
     }
  ORDER BY ?istanza xsd:integer(?NumberInTheSeries)