Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_20967430_2 ( ep INTEGER, original_air_date VARCHAR )

### Question ###
Name the least episode for november 29, 1985

### Accurate SQL ###

SELECT MIN(ep) FROM table_20967430_2 WHERE original_air_date = "November 29, 1985"