Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 15, 1968
at New Orleans Saints
W 24–10
74,215
3
2
September 22, 1968
at Dallas Cowboys
L 28–7
68,733
4
3
September 29, 1968
Los Angeles Rams
L 24–6
82,514
5
4
October 5, 1968
Pittsburgh Steelers
W 31–24
81,865
6
5
October 13, 1968
St. Louis Cardinals
L 27–21
79,349
7
6
October 20, 1968
at Baltimore Colts
W 30–20
60,238
8
7
October 27, 1968
Atlanta Falcons
W 30–7
67,723
9
8
November 3, 1968
at San Francisco 49ers
W 33–21
31,359
10
9
November 10, 1968
New Orleans Saints
W 35–17
71,025
11
10
November 17, 1968
at Pittsburgh Steelers
W 45–24
41,572
12
11
November 24, 1968
Philadelphia Eagles
W 47–13
62,338
13
12
December 1, 1968
New York Giants
W 45–10
83,193
14
13
December 8, 1968
at Washington Redskins
W 24–21
50,661
15
14
December 14, 1968
St. Louis Cardinals
L 27–16
39,746

Questions and formulas:
Question: Who did the Browns play on October 13, 1968?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="october 13, 1968"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E15,B2:B15="october 13, 1968"),3))
Level: medium