Complex sentence: Klara Svensson (born 15 October 1987) is a Swedish professional boxer who has held the WBC interim welterweight title since September 2016, having previously held the WBC interim and WBC Silver light-welterweight titles.
Split into simpler sentences: Klara Svensson (born 15 October 1987) is a Swedish professional boxer. She has held the WBC interim welterweight title since September 2016, having previously held the WBC interim and WBC Silver light-welterweight titles.