What playoff result happened during the season in which they finished 1st, southern?
CREATE TABLE table_12002388_1 (
    playoffs VARCHAR,
    reg_season VARCHAR
)
SELECT playoffs FROM table_12002388_1 WHERE reg_season = "1st, Southern"
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 playoff result happened during the season in which they finished 1st, southern? ### Input: CREATE TABLE table_12002388_1 (
    playoffs VARCHAR,
    reg_season VARCHAR
) ### Response: SELECT playoffs FROM table_12002388_1 WHERE reg_season = "1st, Southern"