<prompt> Kǝla fuwutu paragraf adǝben ruwo - De Silvaye awowa kamuwabe 50 m freestylebe dǝga sǝtandǝna  <response>: Suro bikkewa Olimpiyabe saa 2004ye Athens lan, na do FINAye kammabo, loktu 28.48 lan. Shiye am gade gade tulurye arakkәn suro nәm kәnәngәna diyeu dәn, suronzan Melanie Slowing ye saa 31 dәye do Guatemalaye dә. Shiye na kǝn yakkǝmi kǝn indimibe lan kǝn yakkǝmi kǝn indimibe dǝga ngawo Geraldine Arce lardǝ Nicaraguabe dǝga suro saa 28.93 lan. De Silva dә semifinals ro letәgәnyi, sau shiye na fifty-secondye dә suro kәrmai 75ye dәn kәntagә kәntagә burobe dәn. 