user: Question: What was the attendance of the game in week 13?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 12, 1999', 'San Francisco 49ers', 'W 41–3', '68,678']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Week" = 13.0;