CREATE TABLE "table1_2409041_3" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real
);

Question: How many production codes have an original airdate of November 16, 1990?
SQL: SELECT COUNT("production_code") FROM "table1_2409041_3" WHERE "original_air_date"='November 16, 1990';

Question: What series number had an original airdate of March 1, 1991?
SQL: SELECT MIN("no_in_series") FROM "table1_2409041_3" WHERE "original_air_date"='March 1, 1991';

Question: Who directed "Torn Between Two Lovers"?
SQL: SELECT "directed_by" FROM "table1_2409041_3" WHERE "title"='\"Torn Between Two Lovers\"';

Question: How many production codes were in series 39?
SQL: SELECT COUNT("production_code") FROM "table1_2409041_3" WHERE "no_in_series"=39;

Question: Who wrote season 23?
SQL: SELECT "written_by" FROM "table1_2409041_3" WHERE "no_in_season"=23;