 Complete the following phrase:  Lobanov also won 14 medals at the ICF Canoe Sprint World Championships with ten gold C-2 500 m: 1974, 1975; C-2 1000 m: 1974, 1977, 1979; C-2 10000 m: 1973, 1974, 1975, 1977, 1979, two silvers C-2 500 m: 