Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 9, 2001
Tampa Bay Buccaneers
L 10–6
61,521
3
2
September 23, 2001
San Diego Chargers
L 32–21
63,430
4
3
September 30, 2001
at Philadelphia Eagles
L 40–18
66,621
5
4
October 7, 2001
at Oakland Raiders
L 28–21
61,535
6
5
October 15, 2001
Washington Redskins
W 9–7
63,941
7
6
Bye
Bye
Bye
Bye
8
7
October 28, 2001
Arizona Cardinals
W 17–3
63,114
9
8
November 4, 2001
at New York Giants
L 27–24
78,673
10
9
November 11, 2001
at Atlanta Falcons
L 20–13
69,010
11
10
November 18, 2001
Philadelphia Eagles
L 36–3
63,204
12
11
November 22, 2001
Denver Broncos
L 26–24
64,104
13
12
December 2, 2001
at Washington Redskins
W 20–14
85,112
14
13
December 9, 2001
New York Giants
W 20–13
61,821
15
14
December 16, 2001
at Seattle Seahawks
L 29–3
63,366
16
15
December 23, 2001
at Arizona Cardinals
L 17–10
48,883
17
16
December 30, 2001
San Francisco 49ers
W 27–21
64,366
18
17
January 6, 2002
at Detroit Lions
L 15–10
77,512

Questions and formulas:
Question: Who was the opponent on November 11, 2001?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="november 11, 2001"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E18,B2:B18="november 11, 2001"),3))
Level: medium
Question: Who was the opponent before week 5 that played on September 23, 2001?
Formula: LET(query1,LET(query1,FILTER(A1:E1,B1="september 23, 2001"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<5))
Formula2: LET(query1,LET(query1,FILTER(A2:E18,B2:B18="september 23, 2001"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<5))
Level: hard