 Complete the following phrase:  Switzerland debuted at Eurovision at the first contest in 1956, and will send its 50th entry to the 2009 contest. The country has won the contest twice: their first win occurred at the very first contest, when Lys Assia won for Switzerland with Refrain when the contest was held in Switzerland, in the town of Lugano; their second and latest win to date came in 1988, when Canadian singer Céline Dion won with Ne partez pas sans moi. The country, however, has also come last in the contest on five occasions: in 1964, 1967, 1974, 