CREATE TABLE "table1_2468961_2" (
  "no_in_series" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real
);

Question: What is the name of the episode that aired originally on October 18, 1991?
SQL: SELECT "title" FROM "table1_2468961_2" WHERE "original_air_date"='October 18, 1991';

Question: What is the name of the episode written by Ross Brown?
SQL: SELECT "title" FROM "table1_2468961_2" WHERE "written_by"='Ross Brown';

Question: What episode number in the series originally aired on February 28, 1992?
SQL: SELECT MIN("no_in_series") FROM "table1_2468961_2" WHERE "original_air_date"='February 28, 1992';

Question: What date did the episode with a production code of 447004 originally air?
SQL: SELECT "original_air_date" FROM "table1_2468961_2" WHERE "production_code"=447004;

Question: How many episodes were written by Ross brown?
SQL: SELECT COUNT("no_in_series") FROM "table1_2468961_2" WHERE "written_by"='Ross Brown';