CREATE TABLE table_4801 ("Round" FLOAT, "Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning driver" TEXT, "Winning car" TEXT)

What was the average round for the oulton park circuit?
SELECT AVG("Round") FROM table_4801 WHERE "Circuit" = 'oulton park'
SELECT AVG("Round") FROM "table_4801" WHERE "Circuit" = 'oulton park'