Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 13, 1976
Miami Dolphins
L 30–21
77,683
3
2
September 19, 1976
Houston Oilers
L 13–3
61,384
4
3
September 26, 1976
at Tampa Bay Buccaneers
W 14–9
44,505
5
4
October 3, 1976
Kansas City Chiefs
W 50–17
51,909
6
5
October 10, 1976
at New York Jets
L 17–14
59,110
7
6
October 17, 1976
Baltimore Colts
L 31–13
71,009
8
7
October 24, 1976
New England Patriots
L 26–22
45,144
9
8
October 31, 1976
New York Jets
L 19–14
41,285
10
9
November 7, 1976
at New England Patriots
L 20–10
61,157
11
10
November 15, 1976
at Dallas Cowboys
L 17–10
51,799
12
11
November 21, 1976
San Diego Chargers
L 34–13
36,539
13
12
November 25, 1976
at Detroit Lions
L 27–14
66,875
14
13
December 5, 1976
at Miami Dolphins
L 45–27
43,475
15
14
December 12, 1976
at Baltimore Colts
L 58–20
50,451

Questions and formulas:
Question: what is the result when the opponent is at dallas cowboys?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="at dallas cowboys"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E15,C2:C15="at dallas cowboys"),4))
Level: medium