Table:
text: 1977 San Diego Chargers season
Schedule
Schedule
Week Date_ Opponent Result_ Attendance
1 September 18, 1977 at Oakland Raiders L 24-0 51022
2 September 25, 1977 at Kansas City Chiefs W 23-7 56146
3 October 2, 1977 Cincinnati Bengals W 24-3 40352
4 October 9, 1977 at New Orleans Saints W 14-0 53942
5 October 16, 1977 New England Patriots L 24-20 50327
6 October 23, 1977 Kansas City Chiefs L 21-16 33010
7 October 30, 1977 at Miami Dolphins W 14-13 40670
8 November 6, 1977 at Detroit Lions L 20-0 72559
9 November 13, 1977 Denver Broncos L 17-14 45211
10 November 20, 1977 Oakland Raiders W 12-7 50887

Question: Before week 10 of the 1977 San Diego Chargers season, when did the Chargers play the Denver Broncos?