CREATE TABLE table_240936_2 (region_2__uk_ VARCHAR(255), region_4__australia_ VARCHAR(255))
What is the region 2 (UK) date associated with a region 4 (Aus) date of July 31, 2008?
    
SQL: SELECT region_2__uk_ FROM table_240936_2 WHERE region_4__australia_ = "July 31, 2008"