Table:
0
A
B
C
D
E
1
Date
Visitor
Score
Home
Record
2
April 3
St. Louis
6 – 3
Colorado
43–24–10
3
April 6
San Jose
1 – 5
Colorado
44–24–10
4
April 7
Colorado
4 – 1
Dallas
45–24–10
5
April 10
Anaheim
3 – 7
Colorado
46–24–10
6
April 11
Colorado
3 – 2
St. Louis
47–24–10
7
April 14
Los Angeles
5 – 4
Colorado
47–25–10

Questions and formulas:
Question: Was it a home game on the date of April 6?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="april 6"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7="april 6"),4))
Level: medium
Question: What was the date when the home team was Dallas?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="dallas"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,D2:D7="dallas"),1))
Level: medium