Table:
text: 1966 San Francisco 49ers season
Schedule
Schedule
Week Date_ Opponent Result_ Attendance
1 September 11, 1966 Minnesota Vikings T 20-20 29312
2 Bye Bye Bye Bye
3 September 25, 1966 at Baltimore Colts L 36-14 56715
4 September 30, 1966 at Los Angeles Rams L 34-3 45642
5 October 9, 1966 Green Bay Packers W 21-20 39290
6 October 16, 1966 at Atlanta Falcons W 44-7 54788
7 October 23, 1966 Detroit Lions W 27-24 36745
8 October 30, 1966 at Minnesota Vikings L 28-3 45007
9 November 6, 1966 Los Angeles Rams W 21-13 35372
10 November 13, 1966 at Chicago Bears T 30-30 47079

text: 1966 San Francisco 49ers season
Schedule
Schedule
Week Date_ Opponent Result_ Attendance
11 November 20, 1966 Philadelphia Eagles L 35-34 31993
12 November 24, 1966 at Detroit Lions W 41-14 53189
13 December 4, 1966 at Green Bay Packers L 20-7 48725
14 December 11, 1966 Chicago Bears W 41-14 37170
15 December 18, 1966 Baltimore Colts L 30-14 40005

Question: What is the November 20, 1966 game attendance after week 10 for the 1966 San Francisco 49ers season?