What is the name of the episode that aired originally on October 18, 1991?
CREATE TABLE table_2468961_2 (title VARCHAR, original_air_date VARCHAR)
SELECT title FROM table_2468961_2 WHERE original_air_date = "October 18, 1991"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2468961_2 (title VARCHAR, original_air_date VARCHAR) Question: What is the name of the episode that aired originally on October 18, 1991? [/INST] SELECT title FROM table_2468961_2 WHERE original_air_date = "October 18, 1991" </s>