Table:
text: 1977 Baltimore Colts season
Schedule
Schedule
Week Date_ Opponent Result_ Record Game_Site Attendance
1 September 18, 1977 at Seattle Seahawks W 29–14 1–0 Kingdome 58991
2 September 25, 1977 at New York Jets W 20–12 2–0 Shea Stadium 43439
3 October 2, 1977 Buffalo Bills W 17–14 3–0 Memorial Stadium 49247
4 October 9, 1977 Miami Dolphins W 45–28 4–0 Memorial Stadium 57829
5 October 16, 1977 at Kansas City Chiefs W 17–6 5–0 Arrowhead Stadium 63076
6 October 23, 1977 at New England Patriots L 3–17 5–1 Schaeffer Stadium 60958
7 October 30, 1977 Pittsburgh Steelers W 31–21 6–1 Memorial Stadium 60225

text: 1977 Baltimore Colts season
Schedule
Schedule
Week Date_ Opponent Result_ Record Game_Site Attendance
8 November 7, 1977 Washington Redskins W 10–3 7–1 Memorial Stadium 57740
9 November 13, 1977 at Buffalo Bills W 31–13 8–1 Rich Stadium 39444
10 November 20, 1977 New York Jets W 33–12 9–1 Memorial Stadium 50957
11 November 27, 1977 at Denver Broncos L 13–27 9–2 Mile High Stadium 74939
12 December 5, 1977 at Miami Dolphins L 6–17 9–3 Miami Orange Bowl 68977
13 December 11, 1977 Detroit Lions L 10–13 9–4 Memorial Stadium 45124

Question: What was the highest attendance for the Baltimore Colts in the 1977 season?