<prompt> Pedzisa mutsara unotevera: Jolien Sysmans akaberekwa 1 September 1992 muBelgian swimmer. Akaberekerwa muGeel. Akakwikwidza mumakwikwi  <response>: 50m freestyle yevakadzi pa 2012 Summer Olympics muLondon, achipedza nenguva ye 25.60 masekondi ari pachinzvimbo che 31 mu heat. 