CREATE TABLE table_26564 ("DVD Name" TEXT, "Ep #" TEXT, "Region 1  ( US ) " TEXT, "Region 1  ( CAN ) " TEXT, "Region 2  ( UK ) " TEXT, "Region 2  ( Germany ) " TEXT, "Region 4  ( Australia ) " TEXT)

What is the region 2 (UK) date associated with a region 4 (Aus) date of July 31, 2008?
SELECT "Region 2 (UK)" FROM table_26564 WHERE "Region 4 (Australia)" = 'July 31, 2008'
SELECT "Region 2 (UK)" FROM "table_26564" WHERE "Region 4 (Australia)" = 'July 31, 2008'