user: Question: What week had a lower attendance than 51423 but was still higher than the other weeks?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, '1972-09-17', 'at Buffalo Bills', 'W 41–24', 'War Memorial Stadium', 46206.0]
SQL:

assistant: SELECT MAX("Week") FROM "Table" WHERE "Attendance" < 51423.0;