CREATE TABLE table_4554 ("Round" FLOAT, "Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning driver" TEXT, "Winning car" TEXT)

What circuit did Rupert Keegan win in round 8?
SELECT "Circuit" FROM table_4554 WHERE "Winning driver" = 'rupert keegan' AND "Round" = '8'
SELECT "Circuit" FROM "table_4554" WHERE "Round" = '8' AND "Winning driver" = 'rupert keegan'