 Complete the following phrase:  The Tonga Sports Association and National Olympic Committee was recognized by the International Olympic Committee on 1 January 1984. The Kingdom of Tonga made its Olympic debut at the 1984 Summer Olympics, and has appeared at every Summer Olympic Games since then, making these Sydney Games their fifth appearance. They did not make their debut in the Winter Olympic Games until the 2014 Sochi Olympics. The 2000 Summer Olympics were held from 15 September to 1 October 2000; a total of 10,651 athletes represented 199 National Olympic Committees. The Tongan delegation consisted of two track and field athletes; Tolutau Koula and Ana Siulolo Liku; and weightlifter Tevita Kofe Ngalu. Liku was chosen as the flag-bearer for the 