How many region 4 dates are associated with a region 2 date of July 9, 2007?
CREATE TABLE "table1_240936_2" (
  "dvd_name" text,
  "ep_num" text,
  "region_1_us" text,
  "region_1_can" text,
  "region_2_uk" text,
  "region_2_germany" text,
  "region_4_australia" text
);
SELECT COUNT("region_4_australia") FROM "table1_240936_2" WHERE "region_2_uk"='July 9, 2007';