What episode number originally aired on November 21, 1993?
CREATE TABLE table_23982399_1 (overall_episode__number INTEGER, original_airdate VARCHAR)
SELECT MAX(overall_episode__number) FROM table_23982399_1 WHERE original_airdate = "November 21, 1993"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23982399_1 (overall_episode__number INTEGER, original_airdate VARCHAR) Question: What episode number originally aired on November 21, 1993? [/INST] SELECT MAX(overall_episode__number) FROM table_23982399_1 WHERE original_airdate = "November 21, 1993" </s>