Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
August 31, 1997
New Orleans Saints
W 38-24
64,575
3
2
September 7, 1997
San Francisco 49ers
L 15-12
64,630
4
3
September 14, 1997
at Denver Broncos
L 35-14
74,338
5
4
September 21, 1997
New York Giants
W 13-3
64,642
6
5
September 28, 1997
at Oakland Raiders
L 35-17
42,506
7
6
Bye
Bye
Bye
Bye
8
7
October 12, 1997
at San Francisco 49ers
L 30-10
63,825
9
8
October 19, 1997
Seattle Seahawks
L 17-9
64,819
10
9
October 26, 1997
Kansas City Chiefs
L 28-20
64,864
11
10
November 2, 1997
at Atlanta Falcons
L 34-31
36,583
12
11
November 9, 1997
at Green Bay Packers
L 17-7
60,093
13
12
November 16, 1997
Atlanta Falcons
L 27-21
64,299
14
13
November 23, 1997
Carolina Panthers
L 16-10
64,609
15
14
November 30, 1997
at Washington Redskins
W 23-20
74,772
16
15
December 7, 1997
at New Orleans Saints
W 34-27
54,803
17
16
December 14, 1997
Chicago Bears
L 13-10
66,030
18
17
December 20, 1997
at Carolina Panthers
W 30-18
58,101

Questions and formulas:
Question: How many people attended the Rams game against the Kansas City Chiefs?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="kansas city chiefs"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E18,C2:C18="kansas city chiefs"),5))
Level: medium