Conversation so far:
what's the capital of georgia in the united states
The capital of the U.S. state of Georgia is Atlanta
who is the governor of of the u.s. state of georgia
The Governor of the U.S. state of Georgia is Brian Kemp
what is the largest city in the u.s. state of georgia
The largest city in the U.S. state of Georgia is Atlanta
what is the area of atlanta
The area of Atlanta is 134.0 sq mi

Question: Who is the mayor
Self-contained rewrite: Who is the mayor of Atlanta