<prompt> Qedela umusho olandelayo: UJohnson wengeze emqoqweni wakhe wezindondo zama - Paralympic ngo -  <response>: Ama-Paralympics eLondon 2012, njengoba ebeka irekhodi elisha lama-Paralympic endleleni. UJohnson uqophe isikhathi esihle kakhulu sesizini sika-1: 40.90, ukuthatha indondo yethusi ku-SB6 100 m emuva. Ngesikhathi sokulungiselela ama-Paralympics akhe wesine eRio, uJohnson wahlinzwa ngenxa ye-hernia. Ngenkathi elulama, wazithola esedlule emuva ekuqeqesheni kwakhe, okwathinta ukulungiselela kwakhe izivivinyo ze-Paralympic zango-2016. Ukwehluleka kwakhe ukwenza izivivinyo kwaholela esinqumweni sakhe sokuthatha umhlalaphansi emncintiswaneni wokubhukuda. 