CREATE TABLE "table1_1971734_1" (
  "episode_num" real,
  "prod_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "originalairdate" text,
  "filmed" text
);

Question: What was the production number of the episode filmed in aug/sept 1968?
SQL: SELECT "prod_num" FROM "table1_1971734_1" WHERE "filmed"='Aug/Sept 1968';

Question: Who directed "report 2493:kidnap whose pretty girl are you"?
SQL: SELECT "directed_by" FROM "table1_1971734_1" WHERE "title"='\"REPORT 2493:KIDNAP Whose Pretty Girl Are You\"';

Question: When was "report 4407: heart no choice for the donor" filmed?
SQL: SELECT "filmed" FROM "table1_1971734_1" WHERE "title"='\"REPORT 4407: HEART No Choice for the Donor\"';