Table:
0
A
B
C
D
E
F
G
1
Week
Date
Opponent
Result
Game site
Record
Attendance
2
1
September 14
Boston Patriots
W 35–7
Mile High Stadium
1–0
43,482
3
2
September 21
New York Jets
W 21–19
Mile High Stadium
2–0
50,583
4
3
September 28
at Buffalo Bills
L 28–41
War Memorial Stadium
2–1
40,302
5
4
October 5
Kansas City Chiefs
L 13–26
Mile High Stadium
2–2
50,564
6
5
October 12
Oakland Raiders
L 14–24
Mile High Stadium
2–3
49,511
7
6
October 19
at Cincinnati Bengals
W 30–23
Nippert Stadium
3–3
27,920
8
7
October 26
at Houston Oilers
L 21–24
Astrodome
3–4
45,348
9
8
November 2
San Diego Chargers
W 13–0
Mile High Stadium
4–4
45,511
10
9
November 9
at Oakland Raiders
L 10–41
Oakland-Alameda County Coliseum
4–5
54,416
11
10
November 16
Houston Oilers
T 20–20
Mile High Stadium
4–5–1
45,002
12
11
November 23
at San Diego Chargers
L 24–45
San Diego Stadium
4–6–1
34,664
13
12
November 27
at Kansas City Chiefs
L 17–31
Municipal Stadium
4–7–1
48,773
14
13
December 7
at Miami Dolphins
L 24–27
Miami Orange Bowl
4–8–1
25,332
15
14
December 14
Cincinnati Bengals
W 27–16
Mile High Stadium
5–8–1
42,198

Questions and formulas:
Question: What is the total attendance for the date of october 5?
Formula: SUMIFS(G1,B1,"october 5")
Formula2: SUMIFS(G2:G15,B2:B15,"october 5")
Level: easy
Question: What record has September 21 as the date?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="september 21"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G15,B2:B15="september 21"),6))
Level: medium