Complex sentence: Say Chhum is a Cambodian politician currently serving as the Chairman of the Permanent Committee of the Central Committee of the Cambodian People's Party and was elected to represent Kampong Speu Province in the National Assembly of Cambodia in 2003.
Split into simpler sentences: Say Chhum is a Cambodian politician currently serving as the Chairman of the Permanent Committee of the Central Committee of the Cambodian People's Party. He was elected to represent Kampong Speu Province in the National Assembly in 2003.