CREATE TABLE table_59457 ("Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning driver" TEXT, "Winning constructor" TEXT, "Report" TEXT)

Name the Winning driver of mercedes on 22 august?
SELECT "Winning driver" FROM table_59457 WHERE "Winning constructor" = 'mercedes' AND "Date" = '22 august'
SELECT "Winning driver" FROM "table_59457" WHERE "Date" = '22 august' AND "Winning constructor" = 'mercedes'