Return the names of all counties sorted by population in ascending order.
CREATE TABLE county (
    County_name VARCHAR,
    Population VARCHAR
)
SELECT County_name FROM county ORDER BY Population
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: Return the names of all counties sorted by population in ascending order. ### Input: CREATE TABLE county (
    County_name VARCHAR,
    Population VARCHAR
) ### Response: SELECT County_name FROM county ORDER BY Population