CREATE TABLE "table1_27988382_1" (
  "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 had a total number in the season of 8?
SQL: SELECT COUNT("production_code") FROM "table1_27988382_1" WHERE "no_in_season"=8;