user: ### NOW ANSWER:
Question: What was the attendance on september 19, 1971, after week 1?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 19, 1971', 'at New England Patriots', 'L 20–6', 55405.0]
SQL:

assistant: SELECT AVG("Attendance") FROM "Table" WHERE "Date" = 'september 19, 1971' AND "Week" > 1.0;