Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 8, 2005
at New England Patriots
L 30–20
68,756
3
2
September 18, 2005
Kansas City Chiefs
L 23–17
62,273
4
3
September 25, 2005
at Philadelphia Eagles
L 23–20
67,735
5
4
October 2, 2005
Dallas Cowboys
W 19–13
62,400
6
5
Bye
Bye
Bye
Bye
7
6
October 16, 2005
San Diego Chargers
L 27–14
52,666
8
7
October 23, 2005
Buffalo Bills
W 38–17
42,779
9
8
October 30, 2005
at Tennessee Titans
W 34–25
69,149
10
9
November 6, 2005
at Kansas City Chiefs
L 27–23
79,033
11
10
November 13, 2005
Denver Broncos
L 31–17
62,779
12
11
November 20, 2005
at Washington Redskins
W 16–13
90,129
13
12
November 27, 2005
Miami Dolphins
L 33–21
49,097
14
13
December 4, 2005
at San Diego Chargers
L 34–10
66,436
15
14
December 11, 2005
at New York Jets
L 26–10
77,561
16
15
December 18, 2005
Cleveland Browns
L 9–7
41,862
17
16
December 24, 2005
at Denver Broncos
L 22–3
76,212
18
17
December 31, 2005
New York Giants
L 30–21
44,594

Questions and formulas:
Question: Who were the Opponents on December 18, 2005?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="december 18, 2005"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E18,B2:B18="december 18, 2005"),3))
Level: medium