CREATE TABLE "table1_1439096_1" (
  "episode_no" real,
  "title" text,
  "director" text,
  "writer_s" text,
  "original_air_date_atv" text,
  "production_no" real
);

Question: What was the original air date (atv) of the episode "Recall to Service"?
SQL: SELECT "original_air_date_atv" FROM "table1_1439096_1" WHERE "title"='\"Recall to Service\"';

Question: Who was the director of the episode originally aired on 26 October 1969?
SQL: SELECT "director" FROM "table1_1439096_1" WHERE "original_air_date_atv"='26 October 1969';

Question: What is the lowest production number?
SQL: SELECT MIN("production_no") FROM "table1_1439096_1";

Question: What is the title of the episode with the original air date of 28 September 1969?
SQL: SELECT "title" FROM "table1_1439096_1" WHERE "original_air_date_atv"='28 September 1969';

Question: What was the original air date (atv) of episode 1?
SQL: SELECT "original_air_date_atv" FROM "table1_1439096_1" WHERE "episode_no"=1;