Table:
0
A
B
C
D
E
1
Type of Record
Attendance
Date/Year
Stadium
Result/Games
2
Pre-season game
27585
Wed 06/13/12
Ivor Wynne Stadium
Toronto 29 @ Hamilton 24
3
Regular season game
35394
Sun 11/07/76
Ivor Wynne Stadium
Toronto 0 @ Hamilton 18
4
Playoff game
33392
Sun 11/14/71
Ivor Wynne Stadium
Toronto 23 @ Hamilton 8
5
Grey Cup game (host)
38595
Sun 11/24/96
Ivor Wynne Stadium
Toronto 43 vs. Edmonton 37
6
Total Attendance-Regular season
252018
2005
Ivor Wynne Stadium
9 games (28,002 avg.)
7
Total Attendance-Regular season and playoffs
255627
1972
Ivor Wynne Stadium
8 games (31,953 avg.)
8
Average Attendance-Regular season
32129
1972
Ivor Wynne Stadium
7 games (224,906 total)

Questions and formulas:
Question: When 2005 is the date/year how many measurements of attendance are there?
Formula: SUM(FILTER(B1, C1=2005))
Formula2: SUM(FILTER(B2:B8, C2:C8=2005))
Level: easy
Question: When 27585 is the attendance what are the results of the games?
Formula: LET(query1,SUMMARIZE(E1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=27585))
Formula2: LET(query1,SUMMARIZE(E2:E8,SUMX(B2:B8)),FILTER(query1,CHOOSECOLS(query1,2)=27585))
Level: hard
Question: When  9 games (28,002 avg.) is the results of the games what is the date/year?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="9 games (28,002 avg.)"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="9 games (28,002 avg.)"),3))
Level: medium
Question: When 255627 is the attendance what is the stadium?
Formula: LET(query1,SUMMARIZE(D1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=255627))
Formula2: LET(query1,SUMMARIZE(D2:D8,SUMX(B2:B8)),FILTER(query1,CHOOSECOLS(query1,2)=255627))
Level: hard