The legislative authority of the city shall be vested in a governing body which shall constitute the legislative branch of the city and shall be known as a Council, consisting of nine members from separate Council Districts, each member to be known as a Councillor. Each of the Council Districts shall elect one Councillor, who shall be a qualified voter of the District. (Amended at Regular Municipal Election, October 8, 1991, as Proposition #1; Amended at a Special Election held in conjunction with a Regular Municipal Election, October 5, 1999, as Question #7.)