Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_29 ( winner VARCHAR, team VARCHAR, circuit VARCHAR )

### Question ###
What is Winner, when Team is 'R.J.MacArthur Onslow', and when Circuit is 'Oran Park Raceway'?

### Accurate SQL ###

SELECT winner FROM table_name_29 WHERE team = "r.j.macarthur onslow" AND circuit = "oran park raceway"