<prompt> Qedela umusho olandelayo: Ngemva kokuwina indondo yesiliva emjahweni wokubhukuda ngebhesi ngamamitha angu-50 nendondo yethusi emjahweni wokubhukuda ngebhesi ngamamitha angu-100 eMqhudelwaneni WaseYurophu Wokubhukuda Wabasha ka-2004 eLisbon, ePortugal. UStekelenburg wenza i-debut yakhe yamazwe omhlaba kuma-World Aquatics Championships ngo-2005 eMontreal, eQuebec, eCanada lapho akhishwa khona kokubili ku-50 m naku-100 m breaststroke. Eminyakeni eyalandela, wabhukuda emincintiswaneni eminingana yaseYurophu, wenza kahle kakhulu emncintiswaneni  <response>: 2008 European Aquatics Championships e-Eindhoven ezweni lakubo eNetherlands, wagcina endaweni yesithupha emdlalweni wokugcina we-50 m breaststroke ngemuva kokubhukuda irekhodi likazwelonke kuma-semi-finals. 