<prompt> Tlatša polelo ye e latelago: David Realista Grachat yo a belegwego ka la 21 Janaware 1987 ke mo-para-swimmer wa Portugal, yo a phadišanago ka ditiragalo tša S9. O ile a phadišana Dipapading tše tharo tša Paralympic tša Selemo, ka 2008 kua Beijing,  <response>: Ka 2012 kua London le ka 2016 kua Rio. Grachat o thopile dimetale maemong a Yuropa le a Lefase, gomme o ithutetše go kitima ka mokgwa wa go kitima wa go kitima wa 400 m. 