CREATE TABLE table_21875 ("Season" FLOAT, "Date" CLOB, "Winning Driver" CLOB, "Car #" FLOAT, "Sponsor" CLOB, "Make" CLOB, "Team" CLOB, "Avg Speed" CLOB, "Margin of Victory" CLOB)

In what season did Rusty Wallace win?
SELECT MAX("Season") FROM table_21875 WHERE "Winning Driver" = 'Rusty Wallace'
SELECT MAX("Season") FROM "table_21875" WHERE "Winning Driver" = 'Rusty Wallace'