Table:
0
A
B
C
D
E
F
G
1
Date
Visitor
Score
Home
Decision
Attendance
Record
2
April 1
Chicago
2 – 5
Columbus
Denis
17,394
31–40–3
3
April 3
Columbus
3 – 1
Nashville
Leclaire
12,073
32–40–3
4
April 7
Columbus
5 – 6
Detroit
Denis
20,066
32–40–4
5
April 8
Detroit
4 – 2
Columbus
Leclaire
18,136
32–41–4
6
April 11
Columbus
2 – 3
Dallas
Denis
18,543
32–42–4
7
April 13
St. Louis
1 – 4
Columbus
Leclaire
16,262
33–42–4
8
April 15
Chicago
2 – 5
Columbus
Denis
16,555
34–42–4
9
April 16
Columbus
3 – 4
Chicago
Leclaire
10,733
34–43–4
10
April 18
Dallas
4 – 5
Columbus
Denis
17,103
35–43–4

Questions and formulas:
Question: Name the visitor for home of dallas
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="dallas"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,D2:D10="dallas"),2))
Level: medium