CREATE TABLE table_name_54 (circuit VARCHAR, team VARCHAR, city___state VARCHAR)

What is Circuit, when Team is 'R.J.MacArthur Onslow', and when City / State is 'Sydney , New South Wales'?
SELECT circuit FROM table_name_54 WHERE team = "r.j.macarthur onslow" AND city___state = "sydney , new south wales"
SELECT "circuit" FROM "table_name_54" WHERE "city___state" = "sydney , new south wales" AND "r.j.macarthur onslow" = "team"