Table:
text: 1981 Denver Broncos season
Schedule
Schedule
Week Date_ Opponent Result_ Game_site Record Attendance
9 November 2 Minnesota Vikings W 19–17 Mile High Stadium 6–3 74834
10 November 8 Cleveland Browns W 23–20 (OT) Mile High Stadium 7–3 74859
11 November 15 at Tampa Bay Buccaneers W 24–7 Tampa Stadium 8–3 64518
12 November 22 at Cincinnati Bengals L 21–38 Riverfront Stadium 8–4 57207
13 November 29 at San Diego Chargers L 17–34 Jack Murphy Stadium 8–5 51533
14 December 6 Kansas City Chiefs W 16–13 Mile High Stadium 9–5 74744
15 December 13 Seattle Seahawks W 23–13 Mile High Stadium 10–5 74527

Question: Where is Riverfront Stadium the venue for the week of the 1981 Denver Broncos season?