Table:
0
A
B
C
D
E
F
G
H
1
Week
Date
Opponent
Time (ET)
Result
Game Site
Record
Match Report
2
1
September 4, 2008
at New York Giants
7:00
L 7-16
Giants Stadium
0-1
Recap
3
2
September 14, 2008
New Orleans Saints
1:00
W 29-24
FedEx Field
1-1
Recap
4
3
September 21, 2008
Arizona Cardinals
1:00
W 24-17
FedEx Field
2-1
Recap
5
4
September 28, 2008
at Dallas Cowboys
4:15
W 26-24
Texas Stadium
3-1
Recap
6
5
October 5, 2008
at Philadelphia Eagles
1:00
W 23-17
Lincoln Financial Field
4-1
Recap
7
6
October 12, 2008
St. Louis Rams
1:00
L 17-19
FedEx Field
4-2
Recap
8
7
October 19, 2008
Cleveland Browns
4:15
W 14-11
FedEx Field
5-2
Recap
9
8
October 26, 2008
at Detroit Lions
1:00
W 25-17
Ford Field
6-2
Recap
10
9
November 3, 2008
Pittsburgh Steelers
8:30
L 6-23
FedEx Field
6-3
Recap
11
10
Bye
Bye
Bye
Bye
Bye
Bye
Bye
12
11
November 16, 2008
Dallas Cowboys
8:15
L 10-14
FedEx Field
6-4
Recap
13
12
November 23, 2008
at Seattle Seahawks
4:15
W 20-17
Qwest Field
7-4
Recap
14
13
November 30, 2008
New York Giants
1:00
L 7-23
FedEx Field
7-5
Recap
15
14
December 7, 2008
at Baltimore Ravens
8:15
L 10-24
M&T Bank Stadium
7-6
Recap
16
15
December 14, 2008
at Cincinnati Bengals
1:00
L 13-20
Paul Brown Stadium
7-7
Recap
17
16
December 21, 2008
Philadelphia Eagles
4:15
W 10-3
FedEx Field
8-7
Recap
18
17
December 28, 2008
at San Francisco 49ers
4:15
L 24-27
Candlestick Park
8-8
Recap

Questions and formulas:
Question: What was the Date of Week 16?
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=16))
Formula2: LET(query1,SUMMARIZE(B2:B18,SUMX(A2:A18)),FILTER(query1,CHOOSECOLS(query1,2)=16))
Level: hard