CREATE TABLE table_240936_2 (region_2__uk_ VARCHAR2, region_4__australia_ VARCHAR2)

What is the region 2 (UK) date associated with a region 4 (Aus) date of July 31, 2008?
SELECT region_2__uk_ FROM table_240936_2 WHERE region_4__australia_ = "July 31, 2008"
SELECT "region_2__uk_" FROM "table_240936_2" WHERE "July 31, 2008" = "region_4__australia_"