CREATE TABLE table_4553 ("Round" FLOAT, "Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Winning car" CLOB)

Which circuit did Guy Edwards win?
SELECT "Circuit" FROM table_4553 WHERE "Winning driver" = 'guy edwards'
SELECT "Circuit" FROM "table_4553" WHERE "Winning driver" = 'guy edwards'