<prompt> David Realista Grachat ye kəntawu Januarybe kawunzə 21 saa 1987 shima Portuguese para-swimmer, shidoni S9 classification events lan baktayin. Shiye bikkewa Paralympicbe Summerbe yakkǝro kǝltǝna, 2008 suro Beijing, 2012 suro London  <response>: kuru 2016 Rio lan. Grachat dǝ medal Europe-a dunya-a samma so lan kǝnasartǝna, kuru shi dǝ kam kǝlanzǝye 400m ye dǝga wuzǝna. 