<prompt> Nyorai mberi kweiyi ndima - Chan akapinda mumitambo yeOlympic yeLondon ya2012. Akatora rutivi munhangemutange yokuyambuka nyika nebhasikoro  <response>: . Chan pakupedzisira akapedza ari 38th nzvimbo kubva 50 vakwikwidzi ane nguva 1 awa 41 maminitsi uye 59 masekondi. 