user: ### NOW ANSWER:
Question: What is the biggest week with an opponent of Washington Redskins?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 4, 1994', 'at Los Angeles Rams', 'L 14-12', '32,969']
SQL:

assistant: SELECT MAX("Week") FROM "Table" WHERE "Opponent" = 'Washington Redskins';