 Complete the following phrase:  Sharif Naidhajavovich Sharifov , ; born November 11, 1988 in Gunukh, Charodinsky District, Dagestan is a Russian-Azerbaijani male wrestler of Avar descent. Sharifov finished first in the world championship and won bronze in the European championship. At the 2012 Summer Olympics Sharifov won a gold medal in the 