What is the title of the episode with the original air date of 28 September 1969?
CREATE TABLE "table1_1439096_1" (
  "episode_no" real,
  "title" text,
  "director" text,
  "writer_s" text,
  "original_air_date_atv" text,
  "production_no" real
);
SELECT "title" FROM "table1_1439096_1" WHERE "original_air_date_atv"='28 September 1969';