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_name_38 (historical_references VARCHAR, podcast_date VARCHAR)
### Question:
What is the historical reference of the episode that aired on October 23, 2005?
### Answer:
SELECT historical_references FROM table_name_38 WHERE podcast_date = "october 23, 2005"