CREATE TABLE table_name_39 (region_1_release VARCHAR2, region_2_release VARCHAR2)

What is the region 1 release that has july 20, 2009 as the region 2?
SELECT region_1_release FROM table_name_39 WHERE region_2_release = "july 20, 2009"
SELECT "region_1_release" FROM "table_name_39" WHERE "july 20, 2009" = "region_2_release"