Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 11, 2005
Houston Texans
W 22–7
71,781
3
2
September 18, 2005
at Tampa Bay Buccaneers
L 19–3
64,777
4
3
September 25, 2005
Atlanta Falcons
L 24–16
72,032
5
4
October 2, 2005
at New Orleans Saints
L 19–7
58,688
6
5
October 9, 2005
Miami Dolphins
W 20–14
72,160
7
6
October 16, 2005
New York Jets
W 27–17
72,045
8
7
October 23, 2005
at Oakland Raiders
L 38–17
42,779
9
8
October 31, 2005
at New England Patriots
L 21–16
68,756
10
9
Bye
Bye
Bye
Bye
11
10
November 13, 2005
Kansas City Chiefs
W 14–3
72,093
12
11
November 20, 2005
at San Diego Chargers
L 48–10
65,602
13
12
November 27, 2005
Carolina Panthers
L 13–9
71,440
14
13
December 4, 2005
at Miami Dolphins
L 24–23
72,051
15
14
December 11, 2005
New England Patriots
L 35–7
71,810
16
15
December 17, 2005
Denver Broncos
L 28–17
71,887
17
16
December 24, 2005
at Cincinnati Bengals
W 37–27
65,485
18
17
January 1, 2006
at New York Jets
L 30–26
76,822

Questions and formulas:
Question: What attendance has October 16, 2005 as the date?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="october 16, 2005"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E18,B2:B18="october 16, 2005"),5))
Level: medium
Question: What result has a week less than 16, and October 31, 2005 as the date?
Formula: LET(query1,LET(query1,FILTER(A1:E1,B1="october 31, 2005"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<16))
Formula2: LET(query1,LET(query1,FILTER(A2:E18,B2:B18="october 31, 2005"),SUMMARIZE(CHOOSECOLS(query1,4),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<16))
Level: hard