Table:
text: 1968 Kansas City Chiefs season
Season schedule
Season schedule
Week Date_ Opponent Result_ Attendance
11 November 17, 1968 Boston Patriots W 31-17 48271
12 Bye Bye Bye Bye
13 November 28, 1968 Houston Oilers W 24-10 48493
14 December 8, 1968 at San Diego Chargers W 40–3 51174
15 December 14, 1968 at Denver Broncos W 30–7 38463

Question: When did the Chiefs have their first bye from the 1968 Kansas City Chiefs season?