 Complete the following phrase:  Zambia competed at the 2012 Summer Olympics in London, held from 27 July to 12 August 2012. The countrys participation at London marked its twelfth appearance in the Summer Olympics since its début at the 1964 Summer Olympics. The delegation consisted of seven competitors; three track and field athletes Gerald Phiri, Prince Mumba and Chauzje Choosha, one each in Boxing and Judo Gilbert Choombe and Boas Munyonga and two swimmers, Zane Jordan and Jade Ashleigh Howard. Phiri, Mumba, Choombe and Munyonga had qualified by meeting the standards in their respective sports, and Choosha, Jordan and Howard qualified by wildcard places. Mumba was the national flag bearer at the opening and 