user: Question: What attendance has Detroit Lions as the opponent?
Columns: ['Date', 'Result', 'Score', 'Opponent', 'Record', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Date', 'Result', 'Score', 'Opponent', 'Record', 'Attendance']
SQL:

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