CREATE TABLE table_69231 ("Race Title" CLOB, "Circuit" CLOB, "City / State" CLOB, "Date" CLOB, "Winner" CLOB, "Team" CLOB)

Who won at the Oran Park Raceway?
SELECT "Winner" FROM table_69231 WHERE "Circuit" = 'oran park raceway'
SELECT "Winner" FROM "table_69231" WHERE "Circuit" = 'oran park raceway'