 Complete the following phrase:  Gáspár Boldizsár is a Hungarian sprint canoer who competed from 1989 to 1995. He won six medals at the ICF Canoe Sprint World Championships with two golds C-4 500 m: 1993, 1994, three silvers C-2 1000 m: 1994, C-4 1000 m: 1990, 