how many latitudes have 0.081 (sqmi) of water?
CREATE TABLE table_18600760_15 (
    latitude VARCHAR,
    water__sqmi_ VARCHAR
)
SELECT COUNT(latitude) FROM table_18600760_15 WHERE water__sqmi_ = "0.081"
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 latitudes have 0.081 (sqmi) of water? ### Input: CREATE TABLE table_18600760_15 (
    latitude VARCHAR,
    water__sqmi_ VARCHAR
) ### Response: SELECT COUNT(latitude) FROM table_18600760_15 WHERE water__sqmi_ = "0.081"