<prompt> Bhala ukuqhubeka kwalesi sigaba - UDavid Realista Grachat owazalwa ngoJanuwari 21, 1987 ungumbhukudi wasePortugal, okhuphisana emicimbini yokuhlukaniswa kwe-S9. Useqhudelane emidlalweni emithathu yama-Paralympic, ngo-2008 eBeijing, ngo-2012 eLondon  <response>: futhi ngo-2016 eRio. UGrachat unqobe izindondo zombili ezingeni laseYurophu nezwe, futhi ugxile emjahweni wamahhala wamamitha angama-400. 