How many counties are at milepost 69.5?
CREATE TABLE table_2572788_1 (
    county VARCHAR,
    milepost VARCHAR
)
SELECT COUNT(county) FROM table_2572788_1 WHERE milepost = "69.5"
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 counties are at milepost 69.5? ### Input: CREATE TABLE table_2572788_1 (
    county VARCHAR,
    milepost VARCHAR
) ### Response: SELECT COUNT(county) FROM table_2572788_1 WHERE milepost = "69.5"