Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_18328569_1 (clubs_remaining INTEGER, round VARCHAR)
### Question:
How many clubs remain in the fourth round?
### Answer:
SELECT MIN(clubs_remaining) FROM table_18328569_1 WHERE round = "Fourth round"