Table:
text: 1963 San Francisco 49ers season
Regular season
Schedule
Game Date_ Opponent Result_ _49ers_points Opponents Record Streak Attendance
1 September 15 Minnesota Vikings L 20 24 0-1 L3 (from 1962 ) 30781
2 September 22 Baltimore Colts L 14 20 0-2 L4 (from 1962 ) 31006
3 September 29 at Minnesota Vikings L 14 45 0-3 L5 (from ( 1962 ) 28567
4 October 6 at Detroit Lions L 3 26 0-4 L6 (from 1962 ) 44088
5 October 13 at Baltimore Colts L 3 20 0-5 L7 (from 1962 ) 56962
6 October 20 Chicago Bears W 20 14 1-5 W1 35837
7 October 27 at Los Angeles Rams L 21 28 1-6 L1 45532

Question: During the 1963 San Francisco 49ers season, what was the highest attendance in a regular season game where the record was 0-5 and opponents scored 20+ points?