CREATE TABLE "table1_25604014_5" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);

Question: Who wrote episode number 81 in the series?
SQL: SELECT "written_by" FROM "table1_25604014_5" WHERE "no_in_series"=81;

Question: What is the original air date for "ex-wives and videotapes"?
SQL: SELECT "original_air_date" FROM "table1_25604014_5" WHERE "title"='\"Ex-Wives and Videotapes\"';

Question: What is the original air date for "one rat, one ranger"?
SQL: SELECT "original_air_date" FROM "table1_25604014_5" WHERE "title"='\"One Rat, One Ranger\"';

Question: How many episodes directed by david carson?
SQL: SELECT COUNT("no_in_season") FROM "table1_25604014_5" WHERE "directed_by"='David Carson';

Question: Who direcred the episode with production code 7d03?
SQL: SELECT "directed_by" FROM "table1_25604014_5" WHERE "production_code"='7D03';