Table:
text: 2004 Detroit Lions season
Schedule
Schedule
Week Date_ Opponent Result_ Attendance
11 November 21, 2004 at Minnesota Vikings L 22-19 64156
12 November 25, 2004 Indianapolis Colts L 41-9 63107
13 December 5, 2004 Arizona Cardinals W 26-12 62262
14 December 12, 2004 at Green Bay Packers L 16-13 70497
15 December 19, 2004 Minnesota Vikings L 28-27 62337
16 December 26, 2004 Chicago Bears W 19-13 61924
17 January 2, 2005 at Tennessee Titans L 24-19 68809

Question: What was the viewership for the Detroit Lions on November 21, 2004?