<prompt> Ngwala tšwetšopele ya serapa se - Leonid Derevyanko ke moswari wa seketswana wa Soviet yo a bego a phenkgišana mathomong go fihla bogareng bja bo-1970. O thopile dimetale tše tharo ka ICF Canoe Sprint World Championships ka gauta K-4 10000 m: 1974 le bronze tše pedi K-1 4 x 500 m: 1971, K-4 10000 m: 1975  <response>: Mongwalo o sekamego ke wa rena. 