Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 4, 1983
at Cleveland Browns
W 27-21
70,087
3
2
September 8, 1983
San Francisco 49ers
L 48-17
58,167
4
3
September 18, 1983
at Tampa Bay Buccaneers
W 19-16 (OT)
57,567
5
4
September 25, 1983
Detroit Lions
W 20-17
58,254
6
5
October 2, 1983
Dallas Cowboys
L 37-24
60,774
7
6
October 9, 1983
at Chicago Bears
W 23-14
59,632
8
7
October 16, 1983
Houston Oilers
W 34-14
58,910
9
8
October 23, 1983
at Green Bay Packers
W 20-17 (OT)
55,236
10
9
October 30, 1983
at St. Louis Cardinals
L 41-31
42,575
11
10
November 6, 1983
Tampa Bay Buccaneers
L 17-12
59,239
12
11
November 13, 1983
Green Bay Packers
L 29-21
60,113
13
12
November 20, 1983
at Pittsburgh Steelers
W 17-14
58,417
14
13
November 27, 1983
at New Orleans Saints
L 17-16
59,502
15
14
December 5, 1983
at Detroit Lions
L 13-2
79,169
16
15
December 11, 1983
Chicago Bears
L 19-13
57,880
17
16
December 17, 1983
Cincinnati Bengals
W 20-14
51,565

Questions and formulas:
Question: What happened on November 20, 1983 before week 15?
Formula: FILTER(D1,(A1<15)*(B1="november 20, 1983"))
Formula2: FILTER(D2:D17,(A2:A17<15)*(B2:B17="november 20, 1983"))
Level: easy