What are the least losses of Warrnambool with more than 6 wins and less than 630 against?
CREATE TABLE table_name_18 (
    losses INTEGER,
    wins VARCHAR,
    against VARCHAR,
    club VARCHAR
)
SELECT MIN(losses) FROM table_name_18 WHERE against < 630 AND club = "warrnambool" AND wins > 6
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: What are the least losses of Warrnambool with more than 6 wins and less than 630 against? ### Input: CREATE TABLE table_name_18 (
    losses INTEGER,
    wins VARCHAR,
    against VARCHAR,
    club VARCHAR
) ### Response: SELECT MIN(losses) FROM table_name_18 WHERE against < 630 AND club = "warrnambool" AND wins > 6