Table:
0
A
B
C
D
E
F
G
1
Date
Visitor
Score
Home
Decision
Attendance
Record
2
December 1
Colorado
5 – 2
Los Angeles
Theodore
17,297
14–10–1
3
December 3
San Jose
3 – 2
Colorado
Theodore
15,213
14–11–1
4
December 5
Colorado
4 – 5
Columbus
Budaj
12,851
14–12–1
5
December 7
Philadelphia
1 – 2
Colorado
Theodore
16,312
15–12–1
6
December 9
St. Louis
5 – 9
Colorado
Theodore
15,476
16–12–1
7
December 12
Colorado
1 – 4
Columbus
Theodore
13,150
16–13–1
8
December 13
Colorado
2 – 1
Nashville
Budaj
12,456
17–13–1
9
December 15
Nashville
1 – 3
Colorado
Budaj
16,582
18–13–1
10
December 17
Colorado
4 – 2
Los Angeles
Budaj
16,647
19–13–1
11
December 19
Colorado
1 – 2
Anaheim
Budaj
17,197
19–13–2
12
December 21
NY Rangers
3 – 4
Colorado
Budaj
16,612
20–13–2
13
December 23
Vancouver
1 – 3
Colorado
Budaj
17,186
21–13–2
14
December 27
Detroit
4 – 2
Colorado
Budaj
18,007
21–14–2
15
December 29
Los Angeles
3 – 1
Colorado
Theodore
17,256
21–15–2
16
December 31
Colorado
3 – 4
Phoenix
Budaj
12,973
21–15–3

Questions and formulas:
Question: Who was the visitor when phoenix was at home?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="phoenix"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G16,D2:D16="phoenix"),2))
Level: medium
Question: What day did philadelphia visit?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="philadelphia"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G16,B2:B16="philadelphia"),1))
Level: medium