CREATE TABLE table_2970978_1 (ave_attendance NUMBER, ___ave_on_prev_season VARCHAR2)

What is the lowest value of average attendance when average on previous season is -459?
SELECT MIN(ave_attendance) FROM table_2970978_1 WHERE ___ave_on_prev_season = "-459"
SELECT MIN("ave_attendance") FROM "table_2970978_1" WHERE "-459" = "___ave_on_prev_season"