Table:
text: 1970 Denver Broncos season
Schedule
Schedule
Week Date_ Opponent Result_ Game_site Record Attendance
8 November 8 at San Diego Chargers L 21–24 San Diego Stadium 4–4 48327
9 November 15 Oakland Raiders L 19–24 Mile High Stadium 4–5 50959
10 November 22 at New Orleans Saints W 31–6 Tulane Stadium 5–5 66837
11 November 29 Houston Oilers L 21–31 Astrodome 5–6 35733
12 December 6 at Kansas City Chiefs L 0–16 Municipal Stadium 5–7 50454
13 December 13 San Diego Chargers T 17–17 Mile High Stadium 5–7–1 50959
14 December 20 Cleveland Browns L 13–27 Mile High Stadium 5–8–1 51001

Question: What was the highest attendance at a game played at Tulane Stadium when the Denver Broncos played in 1970?