How many states had a population density of 10188.8?
CREATE TABLE table_22916979_1 (
    state VARCHAR,
    population_density__people_per_mi_2__ VARCHAR
)
SELECT COUNT(state) FROM table_22916979_1 WHERE population_density__people_per_mi_2__ = "10188.8"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many states had a population density of 10188.8? ### Input: CREATE TABLE table_22916979_1 (
    state VARCHAR,
    population_density__people_per_mi_2__ VARCHAR
) ### Response: SELECT COUNT(state) FROM table_22916979_1 WHERE population_density__people_per_mi_2__ = "10188.8"