Table:
text: 1998 Kansas City Chiefs season
Schedule
Schedule
Week Date_ Opponent Result_ Attendance
11 November 16, 1998 Denver Broncos L 30–7 78100
12 November 22, 1998 at San Diego Chargers L 38–37 59894
13 November 29, 1998 Arizona Cardinals W 34–24 69613
14 December 6, 1998 at Denver Broncos L 35–31 74692
15 December 13, 1998 Dallas Cowboys W 20–17 77697
16 December 20, 1998 at New York Giants L 28–7 66040
17 December 26, 1998 at Oakland Raiders W 31–24 52679

Question: What is the result of the 1998 Kansas City Chiefs season if the week is greater than 14 and the opponent is Dallas Cowboys?