CREATE TABLE table_27135 ("Round" TEXT, "Circuit" TEXT, "Date" TEXT, "Class A Winner" TEXT, "Class B Winner" TEXT, "Class C Winner" TEXT, "Class D Winner" TEXT)

Who was the Class C winner in round 8?
SELECT "Class C Winner" FROM table_27135 WHERE "Round" = '8'
SELECT "Class C Winner" FROM "table_27135" WHERE "Round" = '8'