 Complete the following phrase:  Prior to the 2015 Contest, the Netherlands had participated in the Eurovision Song Contest fifty-five times since their debut as one of seven countries to take part in the inaugural contest in 1956. Since then, the country has won the contest four times: in 1957 with the song Net als toen performed by Corry Brokken; in 1959 with the song n Beetje performed by Teddy Scholten; in 1969 as one of four countries to tie for first place with De troubadour performed by Lenny Kuhr; and finally in 1975 with Ding-a-Dong performed by the group Teach-In. Following the introduction of semi-finals for the 2004 contest, the Netherlands had featured in only three finals. The Dutch least successful result has been last place, which they have achieved on five occasions, most recently in the 2011 Contest. The Netherlands has also received nul points on two occasions; in 