 Complete the following phrase:  Anton Ryakhov born May 29, 1980 is an Uzbek-born Russian sprint canoer who has competed since the early 2000s. He won nine medals at the ICF Canoe Sprint World Championships with three silvers K-1 200 m: 2002, K-1 500 m: 2001, 2006 and six bronzes K-1 200 m: 2001, 2003, 