user: Question: What was the attendance in the game against the Detroit Lions?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 9, 2001', 'Seattle Seahawks', 'L 9–6', '72,318']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Opponent" = 'Detroit Lions';