user: Question: What is the latest season number that Eric Tuchman directed? 
Columns: ['Series #', 'Season #', 'Title', 'Director', 'Writer(s)', 'NBC Airdate', 'Code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [23.0, 1.0, '"Phoenix"', 'Michael Robison', 'Carl Binder', 'July 13, 2001', 201.0]
SQL:

assistant: SELECT MAX("Season #") FROM "Table" WHERE "Director" = 'Eric Tuchman';