text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_29196086_4 (no_in_season INTEGER, original_air_date VARCHAR)
  ### Question:
  which episode of the season aired on october20,2012
  ### Answer:
  SELECT MAX(no_in_season) FROM table_29196086_4 WHERE original_air_date = "October20,2012"