How many different SEC Win counts does the team with an overall record of 30-4 have?
CREATE TABLE table_22993636_2 (
    sec_wins VARCHAR,
    overall_record VARCHAR
)
SELECT COUNT(sec_wins) FROM table_22993636_2 WHERE overall_record = "30-4"
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 different SEC Win counts does the team with an overall record of 30-4 have? ### Input: CREATE TABLE table_22993636_2 (
    sec_wins VARCHAR,
    overall_record VARCHAR
) ### Response: SELECT COUNT(sec_wins) FROM table_22993636_2 WHERE overall_record = "30-4"