Complex sentence: Its last Member of Parliament was Matthias Yao from People's Action Party since 1997 when the single seat was formed by carving it out of Marine Parade Group Representation Constituency.
Split into simpler sentences: Its last Member of Parliament was Matthias Yao from People's Action Party. And he continued as its MP since 1997 when the single seat constituency was formed by carving it out of Marine Parade Group Representation Constituency.