CREATE TABLE table_name_29 (winner VARCHAR, team VARCHAR, circuit VARCHAR)

What is Winner, when Team is 'R.J.MacArthur Onslow', and when Circuit is 'Oran Park Raceway'?
SELECT winner FROM table_name_29 WHERE team = "r.j.macarthur onslow" AND circuit = "oran park raceway"
SELECT "winner" FROM "table_name_29" WHERE "circuit" = "oran park raceway" AND "r.j.macarthur onslow" = "team"