CREATE TABLE table_21877 ("Season" FLOAT, "Date" TEXT, "Winning Driver" TEXT, "Car #" FLOAT, "Sponsor" TEXT, "Make" TEXT, "Team" TEXT, "Avg Speed" TEXT, "Margin of Victory" TEXT)

Who was the winning driver for Hendrick Motorsports in a Chevrolet Impala SS?
SELECT "Winning Driver" FROM table_21877 WHERE "Team" = 'Hendrick Motorsports' AND "Make" = 'Chevrolet Impala SS'
SELECT "Winning Driver" FROM "table_21877" WHERE "Make" = 'Chevrolet Impala SS' AND "Team" = 'Hendrick Motorsports'