Table:
0
A
B
C
D
E
F
1
Date
Visitor
Score
Home
Decision
Record
2
September 17
Colorado
4 – 3
Phoenix
Weiman
1–0
3
September 19
Los Angeles
3 – 6
Colorado
Budaj
2–0
4
September 20
Colorado
6 – 3
Dallas
Wall
3–0
5
September 22
Colorado
2 – 3
Los Angeles †
Weiman
3–1
6
September 25
Dallas
5 – 4
Colorado
Budaj
3–2
7
September 29
Phoenix
2 – 3
Colorado
Budaj
4–2

Questions and formulas:
Question: What was the date of the game that had a decision of wall?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="wall"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,E2:E7="wall"),1))
Level: medium