Table:
0
A
B
C
D
E
F
G
H
1
Date
Visitor
Score
Home
Decision
Attendance
Record
Points
2
February 5
Philadelphia
1 – 6
Chicago
Cude
8,000
2–27–2
6
3
February 10
NY Rangers
3 – 1
Philadelphia
Cude
n/a
2–28–2
6
4
February 14
NY Americans
1 – 1
Philadelphia
Cude
3,000
2–28–3
7
5
February 17
Philadelphia
2 – 0
Detroit
Cude
5,000
3–28–3
9
6
February 22
Philadelphia
1 – 6
NY Rangers
Cude
8,000
3–29–3
9
7
February 24
Boston
5 – 1
Philadelphia
Cude
2,000
3–30–3
9
8
February 28
Philadelphia
1 – 4
MTL Maroons
Cude
9,500
3–31–3
9

Questions and formulas:
Question: What home team has an n/a attendance?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,F1="n/a"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H8,F2:F8="n/a"),4))
Level: medium
Question: What's the sum of the points when attendance is 8,000 on february 22?
Formula: SUM(FILTER(H1, (F1="8,000")*(A1="february 22")))
Formula2: SUM(FILTER(H2:H8, (F2:F8="8,000")*(A2:A8="february 22")))
Level: easy