Table:
0
A
B
C
D
E
F
G
1
Week
Date
Opponent
Score
Result
Attendance
Record
2
1
June 28
at Toronto Argonauts
24–22
Win
29,157
1–0
3
2
July 6
vs. Edmonton Eskimos
29–9
Win
32,893
2–0
4
3
July 13
at Saskatchewan Roughriders
42–12
Win
26,981
3–0
5
4
July 19
vs. Hamilton Tiger-Cats
22–18
Win
29,045
4–0
6
5
July 28
at Calgary Stampeders
32–27
Win
28,564
5–0
7
6
Aug 2
vs. Saskatchewan Roughriders
21–9
Loss
31,858
5–1
8
7
Aug 10
vs. Winnipeg Blue Bombers
22–21
Loss
31,525
5–2
9
8
Aug 17
at Calgary Stampeders
45–45
Tie
30,826
5–2–1
10
9
Bye
Bye
Bye
Bye
Bye
5–2–1
11
10
Aug 31
vs. Montreal Alouettes
46–14
Win
32,115
6–2–1
12
11
Sept 9
at Montreal Alouettes
32–14
Loss
20,202
6–3–1
13
12
Sept 15
vs. Toronto Argonauts
40–7
Win
31,156
7–3–1
14
13
Sept 22
at Saskatchewan Roughriders
37–34
Win
28,800
8–3–1
15
14
Sept 29
vs. Calgary Stampeders
42–9
Win
32,263
9–3–1
16
15
Oct 5
at Winnipeg Blue Bombers
26–20
Win
26,593
10–3–1
17
16
Oct 13
at Edmonton Eskimos
24–18
Win
33,663
11–3–1
18
17
Oct 20
vs. Edmonton Eskimos
37–26
Win
37,011
12–3–1
19
18
Oct 26
at Hamilton Tiger-Cats
27–19
Win
19,322
13–3–1
20
19
Nov 3
vs. Calgary Stampeders
25–24
Win
34,242
14–3–1

Questions and formulas:
Question: Who was the opponent in the Week 4 game?
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Formula2: LET(query1,SUMMARIZE(C2:C20,SUMX(A2:A20)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Level: hard