Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 9, 1961
Oakland Raiders
W 55–0
16,231
3
2
Bye
Bye
Bye
Bye
4
3
September 24, 1961
at San Diego Chargers
L 34–24
29,210
5
4
October 1, 1961
at Dallas Texans
L 26-21
28,000
6
5
October 8, 1961
Buffalo Bills
L 22–12
22,761
7
6
October 13, 1961
at Boston Patriots
T 31–31
15,070
8
7
October 22, 1961
Dallas Texans
W 38-7
21,237
9
8
October 29, 1961
at Buffalo Bills
W 28-16
23,228
10
9
November 5, 1961
at Denver Broncos
W 55–14
11,564
11
10
November 12, 1961
Boston Patriots
W 27–15
35,649
12
11
November 19, 1961
New York Titans
W 49–13
33,428
13
12
November 26, 1961
Denver Broncos
W 45–14
27,864
14
13
December 3, 1961
San Diego Chargers
W 33–13
37,845
15
14
December 10, 1961
at New York Titans
W 48–21
9,462
16
15
December 17, 1961
at Oakland Raiders
W 47–16
4,821

Questions and formulas:
Question: How many were in attendance of the game with l 26-21 result?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="l 26-21"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E16,D2:D16="l 26-21"),5))
Level: medium
Question: Who is the opponent for the game with 37,845 people in attendance?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1=37845),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E16,E2:E16=37845),3))
Level: medium