Legislative power is vested in the government and the bicameral National Legislature. The Legislative Assembly elects a speaker who presides over the meetings of the legislature. The members of a legislature are called legislators. The governor also appoints heads of agencies created by the legislature. It was an act of the Provincial Congress, which made itself into the State Legislature. Democrats regained control of the state legislature in 1876. Democrats regained control of the state legislature in 1870. This veto was also overridden by the legislature. Democrats also took control of the state legislature in Virginia. In 2006 the city legislature re-approved Matviyenko as governor. The constitution called for a unicameral legislature or Assembly. Each state has its own constitution, with its own legislature (parliament), judiciary and executive. The judiciary is independent of the executive and the legislature. The Judiciary is independent of the executive and the legislature. It is the only Australian state with a unicameral legislature.