Table:
0
A
B
C
D
E
F
G
1
Date
Visitor
Score
Home
Decision
Attendance
Series
2
May 16
Vancouver
2 – 3
Toronto
McLean
15,728
0 – 1
3
May 18
Vancouver
4 – 3
Toronto
McLean
15,728
1 – 1
4
May 20
Toronto
0 – 4
Vancouver
McLean
16,150
2 – 1
5
May 22
Toronto
0 – 2
Vancouver
McLean
16,150
3 – 1
6
May 24
Toronto
3 – 4
Vancouver
McLean
16,150
4 – 1

Questions and formulas:
Question: Which series is based in Toronto on may 18?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(D1="toronto")*(A1="may 18")),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,(D2:D6="toronto")*(A2:A6="may 18")),7))
Level: medium
Question: What is the combined crowd in Vancouver on may 22?
Formula: SUM(FILTER(F1, (D1="vancouver")*(A1="may 22")))
Formula2: SUM(FILTER(F2:F6, (D2:D6="vancouver")*(A2:A6="may 22")))
Level: easy