Dee ihe ga-aga n'ihu na paragraf a - David van der Colff (amụrụ na 29 Eprel 1997) bụ onye na-egwu mmiri na Botswana. Ọ gbara asọmpi n'ọsọ 100 mita n'azụ ụmụ nwoke
na 2016 Summer Olympics, ebe ọ nọ na 35th na oge nke 57.77 sekọnd. Ọ gafere na ọkara-ikpeazụ.