 Complete the following phrase:  On 31 August 2005, Songoo signed for Portsmouth for a fee of 250,000. He made two appearances for Portsmouth in the 20052006 season. After several loan spells, on 13 January 2008, he made his third and final Premier League appearance for Portsmouth as a second-half substitute for Arnold Mvuemba against Sunderland while a number of Portsmouths first eleven were away at the 