what is the largest city where the population is 6620100?
CREATE TABLE table_17416221_1 (largest_city VARCHAR, population__2013_ VARCHAR)
SELECT largest_city FROM table_17416221_1 WHERE population__2013_ = 6620100
### Context: CREATE TABLE table_17416221_1 (largest_city VARCHAR, population__2013_ VARCHAR) ### Question: what is the largest city where the population is 6620100? ### Answer: SELECT largest_city FROM table_17416221_1 WHERE population__2013_ = 6620100