Complex sentence: Chisholm represented Australia in the under-19 side in 2000 as well as being named QRU Colt of the season and selected for the Australian Under 19s and played for the under-21 side in 2001 and 2002.
Split into simpler sentences: Chisholm represented Australia's under-19 side in 2000 as well as being named QRU Colt of the season. He also played for the under-21 side in 2001 and 2002.