user: ### NOW ANSWER:
Question: What week did Cleveland Browns played?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 2, 1979', 'at Denver Broncos', 'L 10–0', 74788.0]
SQL:

assistant: SELECT AVG("Week") FROM "Table" WHERE "Opponent" = 'Cleveland Browns';