user: Question: What is the number of this season's episode that had the production code 2T6206?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [133.0, 1.0, '"The Ticket"', 'Christopher Misiano', 'Debora Cahn', 'September25,2005', '2T6201', '8.90']
SQL:

assistant: SELECT "No. in season" FROM "Table" WHERE "Production code" = '2T6206';