 Complete the following phrase:  Mongolia participated in the 2010 Winter Olympics in Vancouver, British Columbia, Canada from 1228 February 2010. The Mongolian delegation consisted of two cross-country skiers, Khürelbaataryn Khash-Erdene and Erdene-Ochiryn Ochirsüren. The delegations best finish in any event was 73rd by Ochirsüren in the 