<prompt> Ket Sivan akaberekwa musi waFebruary 6, 1981 mutambi wekushambira wekuCambodia. Ket akakwanisa kumakwikwi evakadzi emamita 50 akasununguka  <response>: , nekugamuchira nzvimbo yeUniversality kubva kuFINA munguva yekupinda ye34.68. Akadenha vamwe vatanhatu vanoshambira mumakwikwi maviri, kusanganisira vane makore gumi nemana Sameera Al-Bitar weBahrain naChristal Clashing weAntigua neBarbuda. Akanyora zvakanakisisa zvehupenyu hwe34.62 kuchengetedza nzvimbo yechinomwe pamusoro peLaos Vilayphone Vongphachanh nemasekondi maviri. Ket akakundikana kuenda kumasemifinal, sezvo akaisa makumi manomwe nerimwe kubva pavanoshambira makumi manomwe nevashanu pazuva rekupedzisira rekutanga. 