 Complete the following phrase:  Sierra Leone competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This marked the nations tenth appearance at the Summer Olympics since its debut in the 1968 Summer Olympics. The Sierra Leone delegation included two track and field athletes; Ibrahim Turay, a sprinter and Ola Sesay, a long jumper. Sesay and Turay were selected as flag bearers for the 