user: ### NOW ANSWER:
Question: What is the week for the stadium that had an attendance of 22,286?
Columns: ['Week', 'Opponent', 'Result', 'Stadium', 'Record', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Miami Dolphins', 'L 24–27', 'Foxboro Stadium', '0–1', '45,305']
SQL:

assistant: SELECT AVG("Week") FROM "Table" WHERE "Attendance" = '22,286';