user: Question: What is the historical reference of the episode that aired on October 23, 2005?
Columns: ['Episode Number', 'Title', 'Podcast Date', 'Run time', 'Historical References']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [301.0, '"Home Sweet Home!"', 'August 1, 2005', '6:07', 'None']
SQL:

assistant: SELECT "Historical References" FROM "Table" WHERE "Podcast Date" = 'October 23, 2005';