<prompt> Kǝla fuwunna paragraf adǝro ruwo - Choe Byeong-kwang ; au; born 7 April 1991 shima South Korean racewalker wo. Shiye suro lamar bǝla bǝla kilometre 20 ye dǝn suro bǝla bǝla dunyabe 2015 be dǝn suro bǝla bǝla cidibe Beijing, China be dǝn kǝnasarzǝna. Suro saa 2019 lan, shiye sǝkǝ suro mens 20 kilometers walk lan  <response>: 2019 World Athletics Championships do Doha, Qatar lan sadǝna dǝn. Shiye na 21ye lan dawono. 