CREATE TABLE table_9366 ("Date" TEXT, "Series" TEXT, "Circuit" TEXT, "City / State" TEXT, "Winner" TEXT, "Team" TEXT)

What is City / State, when Winner is Mal Rose, and when Date is 20 Jul?
SELECT "City / State" FROM table_9366 WHERE "Winner" = 'mal rose' AND "Date" = '20 jul'
SELECT "City / State" FROM "table_9366" WHERE "Date" = '20 jul' AND "Winner" = 'mal rose'