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_5257 ( "Episode" real, "Title" text, "Airdate (Canada)" text, "Airdate (USA)" text, "CBS airdate" text )

### Question ###
What is the total number of episodes aired in Canada on 22 October 2004?

### Accurate SQL ###

SELECT COUNT("Episode") FROM table_5257 WHERE "Airdate (Canada)" = '22 october 2004'