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_19422702_1 ( no_in_season INTEGER, production_code VARCHAR )

### Question ###
What is the latest season number for a show with a production code of 816?

### Accurate SQL ###

SELECT MAX(no_in_season) FROM table_19422702_1 WHERE production_code = 816