CREATE TABLE table_31302 ("Season" CLOB, "Ave. Attendance" FLOAT, "+/- ave. on prev. season" CLOB, "Competition" CLOB, "Occupier" CLOB)

What is the lowest value of average attendance when average on previous season is -459?
SELECT MIN("Ave. Attendance") FROM table_31302 WHERE "+/- ave. on prev. season" = '-459'
SELECT MIN("Ave. Attendance") FROM "table_31302" WHERE "+/- ave. on prev. season" = '-459'