The politician who defeated Vincent C. Gray in the primary of 2014 previously served which ward?
Muriel Bowser Muriel Elizabeth Bowser (born August 2, 1972) is an American politician and member of the Democratic Party currently serving as the eighth Mayor of the District of Columbia. Prior to her inauguration in January 2015, Bowser served as a member of the Council of the District of Columbia, representing Ward 4.
？