 Complete the following phrase:  Laos competed at the 2012 Summer Olympics in London when the event took place from 27 July to 12 August 2012. It was the nations eighth overall appearance following their Olympic debut in 1980. Laos had previously competed in seven consecutive Olympics prior to London apart from the 1984 Summer Olympics boycott. Two athletes and one swimmer were selected to the Laotian Olympic team after the country did not qualify any competitors. Sprinter Kilakone Siphonexay was the nations flag bearer at the opening and 