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_name_38 ( historical_references VARCHAR, podcast_date VARCHAR )

### Question ###
What is the historical reference of the episode that aired on October 23, 2005?

### Accurate SQL ###

SELECT historical_references FROM table_name_38 WHERE podcast_date = "october 23, 2005"