Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 6, 1981
at Detroit Lions
L 17-24
63,710
3
2
September 13, 1981
Chicago Bears
W 28-17
49,520
4
3
September 20, 1981
at Atlanta Falcons
L 17-34
56,653
5
4
September 27, 1981
New Orleans Saints
W 21-14
44,433
6
5
October 4, 1981
at Washington Redskins
W 30-17
51,843
7
6
October 11, 1981
Dallas Cowboys
W 45-14
57,574
8
7
October 18, 1981
at Green Bay Packers
W 13-3
50,171
9
8
October 25, 1981
Los Angeles Rams
W 20-17
59,190
10
9
November 1, 1981
at Pittsburgh Steelers
W 17-14
52,878
11
10
November 8, 1981
Atlanta Falcons
W 17-14
59,127
12
11
November 15, 1981
Cleveland Browns
L 12-15
52,455
13
12
November 22, 1981
at Los Angeles Rams
W 33-31
63,456
14
13
November 29, 1981
New York Giants
W 17-10
57,186
15
14
December 6, 1981
at Cincinnati Bengals
W 21-3
56,796
16
15
December 13, 1981
Houston Oilers
W 28-6
55,707
17
16
December 20, 1981
at New Orleans Saints
W 21-17
43,639

Questions and formulas:
Question: What was the opponent on november 8, 1981?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="november 8, 1981"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,B2:B17="november 8, 1981"),3))
Level: medium