Answer
Somchai Wongsawat was the prime minister of Thailand from 2007 to 2008. He was replaced by Abhisit Vejjajiva in 2008. Wongsawat was a member of the People's Power Party (PPP), which was defeated in the 2007 general election by the Democrat Party (DP). However, the Constitutional Court ruled that the election was invalid and ordered new elections to be held.