query: SELECT ?item (REPLACE(?cattitle, "Category:", "") as ?c)
  {
    ?item wdt:P971 wd:Q4663261 .
    ?item wdt:P971 ?sport .
    ?sport wdt:P31*/wdt:P279* wd:Q349 .
    [] schema:about ?item ; schema:isPartOf <https://en.wikipedia.org/>; schema:name ?cattitle .      
  }