Table:
0
A
B
C
D
E
1
The Year
Division
League
Regular Season
Playoffs
2
2008
3
CSL
6th, National
Did not qualify
3
2009
3
CSL
4th, National
Quarterfinals
4
2010
3
CSL
6th
Quarterfinals
5
2011
3
CSL
10th
Did not qualify
6
2012
3
CSL
7th
Quarterfinals

Questions and formulas:
Question: Which Year has a Regular Season of 7th?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="7th"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="7th"),1))
Level: medium
Question: Which Year has a Division larger than 3?
Formula: LET(query1,SUMMARIZE(A1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)>3))
Formula2: LET(query1,SUMMARIZE(A2:A6,SUMX(B2:B6)),FILTER(query1,CHOOSECOLS(query1,2)>3))
Level: hard
Question: Which Year did not qualify for Playoffs, and had a Division smaller than 3?
Formula: LET(query1,LET(query1,FILTER(A1:E1,E1="did not qualify"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<3))
Formula2: LET(query1,LET(query1,FILTER(A2:E6,E2:E6="did not qualify"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<3))
Level: hard
Question: Which league did not qualify for the Playoffs, and had a Year larger than 2008?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="did not qualify")*(A1>2008)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(E2:E6="did not qualify")*(A2:A6>2008)),3))
Level: medium