Complex sentence: Announced in July 2008, Sakis Rouvas will represent Greece in the Eurovision Song Contest 2009 and this will be Rouvas' second appearance at Eurovision as a performer, and third overall.
Split into simpler sentences: Announced in July 2008, Sakis Rouvas represented Greece in the Eurovision Song Contest 2009. This was Rouvas' second appearance at Eurovision as a performer, and third overall.