Dee ihe na-aga n'ihu maka paragraf a - David Realista Grachat (amụrụ 21 Jenụwarị 1987) bụ onye Portuguese para-swimmer, na-asọ mpi na S9 nhazi ọkwa. O sonyere n'egwuregwu Paralympic Summer atọ, 2008 na Beijing, 2012 na London
na 2016 na Rio. Grachat enwetala ihe nrite na European na World larịị, na specializes na 400m freestyle.