Table:
0
A
B
C
D
E
F
G
1
Week
Date
Opponent
Result
Game site
Record
Attendance
2
1
September 17
Houston Oilers
W 30–17
Mile High Stadium
1–0
51656
3
2
September 24
at San Diego Chargers
L 14–37
San Diego Stadium
1–1
49048
4
3
October 1
Kansas City Chiefs
L 24–45
Mile High Stadium
1–2
51656
5
4
October 8
at Cincinnati Bengals
L 10–21
Riverfront Stadium
1–3
55812
6
5
October 15
Minnesota Vikings
L 20–23
Mile High Stadium
1–4
51656
7
6
October 22
at Oakland Raiders
W 30–23
Oakland-Alameda County Coliseum
2–4
53551
8
7
October 29
Cleveland Browns
L 20–27
Mile High Stadium
2–5
51656
9
8
November 5
at New York Giants
L 17–29
Yankee Stadium
2–6
62689
10
9
November 12
at Los Angeles Rams
W 16–10
Los Angeles Memorial Coliseum
3–6
65398
11
10
November 19
Oakland Raiders
L 20–37
Mile High Stadium
3–7
51656
12
11
November 26
at Atlanta Falcons
L 20–23
Atlanta-Fulton County Stadium
3–8
58850
13
12
December 3
at Kansas City Chiefs
L 21–24
Arrowhead Stadium
3–9
66725
14
13
December 10
San Diego Chargers
W 38–13
Mile High Stadium
4–9
51478

Questions and formulas:
Question: What is the record when the game was at the San Diego Stadium? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="San Diego Stadium"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G14,E2:E14="San Diego Stadium"),6))
Level: medium
Question: How many results are there when the game was at the Atlanta-Fulton county stadium? 
Formula: ROWS(UNIQUE(FILTER(D1, E1="Atlanta-Fulton County Stadium")))
Formula2: ROWS(UNIQUE(FILTER(D2:D14, E2:E14="Atlanta-Fulton County Stadium")))
Level: medium
Question: What is the date of the game at Arrowhead Stadium? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="Arrowhead Stadium"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G14,E2:E14="Arrowhead Stadium"),2))
Level: medium
Question: Where was the game where attendance was 51478?
Formula: LET(query1,SUMMARIZE(E1,SUMX(G1)),FILTER(query1,CHOOSECOLS(query1,2)=51478))
Formula2: LET(query1,SUMMARIZE(E2:E14,SUMX(G2:G14)),FILTER(query1,CHOOSECOLS(query1,2)=51478))
Level: hard