query: SELECT ?item ?nr_all (GROUP_CONCAT(DISTINCT ?hulabel) AS ?hulabels) WHERE {
    ?item wdt:P31 wd:Q21191270 .
    ?item p:P179 ?season_statement .
    ?season_statement ps:P179 wd:Q1121718 .
    ?season_statement pq:P1545 ?nr_all .
    ?item rdfs:label ?hulabel . FILTER((LANG(?hulabel)) = "hu")
  }
  GROUP BY ?item ?nr_all
  ORDER BY xsd:integer(?nr_all)