 Complete the following phrase:  Belize participated in eleven Summer Olympic Games between its debut at the 1968 Summer Olympics in Mexico City and the 2012 Summer Olympics in London, England, with the exception of the 1980 Summer Olympics in the Soviet Union because the country joined the United States-led boycott over the 1979 invasion of Afghanistan during the SovietAfghan War. Belize participated in the London Summer Olympics from 27 July to 12 August 2012. The nations delegation was composed of sprinters Kenneth Medwood and Kaina Martinezs and judoka Eddermys Sanchez. The trio were announced by the Belize Olympic  Commonwealth Games Association on 21 February 2012, and were selected from athletes in ten sports. Along with the three athletes, the delegation consisted of chef de mission Owen Sonny Meighan, attaché Andrew Wingmore, delegate Josephine Flowers, coaches Colin Thurton and Wellington Chee, and Thomas Searle, the teams doctor. Medwood was selected as the flag bearer for both the opening and closing 