Question: WPZE (""Praise 102.5"") is a radio station located in Atlanta, Georgia, it is assigned Mableton as its city of license, Mableton is a census-designated place in Georgia , United States, in which county?
Sentence (from "Mableton, Georgia"): When Brookhaven became a city in December 2012, Mableton became the largest unincorporated community in Metro Atlanta.
Relevant evidence: No