What is the only city name with a population density of 200?
CREATE TABLE table_21284653_1 (name VARCHAR, population_density VARCHAR)
SELECT name FROM table_21284653_1 WHERE population_density = "200"
### Context: CREATE TABLE table_21284653_1 (name VARCHAR, population_density VARCHAR) ### Question: What is the only city name with a population density of 200? ### Answer: SELECT name FROM table_21284653_1 WHERE population_density = "200"