user: Question: What is the latest season number for a show with a production code of 816?
Columns: ['No. in season', 'No. in series', 'Title', 'Canadian airdate', 'US airdate', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 144.0, '"Uptown Girl" Part One', '5 October 2008', '10 October 2008', 801.0]
SQL:

assistant: SELECT MAX("No. in season") FROM "Table" WHERE "Production code" = 816.0;