 Complete the following phrase:  Nikolay Borislavov Gergov ; born March 17, 1978 in Oryahovo, Vratsa is an amateur Bulgarian Greco-Roman wrestler, who played for the mens welterweight category. He defeated South Koreas Kim Min-Chul for a gold medal in the 66 kg division at the 2005 World Wrestling Championships in Budapest, Hungary, in addition to his bronze from the 