<prompt> Bhala okuqhubekayo kwalesi sigaba - uChua uncintisane kuphela emncintiswaneni wabesifazane ongamamitha angu-50  <response>: kuma-Olympic Asehlobo ka-2000 eSydney. Uzuze i-FINA B-cut ka-27.16 evela kuJanet Evans Invitational eLos Angeles, eCalifornia. Uphonsele inselelo abanye ababhukudi abayisikhombisa ebangeni lesine, kufaka phakathi ukungeniswa kweRussia u-Yekaterina Tochenaya waseKyrgyzstan, kanye ne-Olympian yama-Olimpiki ephindwe kabili yaseYugoslavia uDuska Radan. UChua wehla waya endaweni yesithathu ngo-27.66, ngokunembile isigamu sesekhondi 0.50 ngaphansi kwerekhodi lakhe likazwelonke kanye nezinga lokungena, futhi amasekhondi angu-0.78 ngemuva kwesikhathi esiphambili esibekwe nguTochenaya. UChua wehlulekile ukudlulela kuma-semifinals, njengoba wabeka isigaba sesibili namashumi ayisihlanu esigabeni esiphelele sabangu-74 ababhukuda kuma-prelims. 