CREATE TABLE table_22993636_2 (sec_wins VARCHAR2, overall_record VARCHAR2)

How many different SEC Win counts does the team with an overall record of 30-4 have?
SELECT COUNT(sec_wins) FROM table_22993636_2 WHERE overall_record = "30-4"
SELECT COUNT("sec_wins") FROM "table_22993636_2" WHERE "30-4" = "overall_record"