Table:
0
A
B
C
D
E
F
G
H
I
1
school id
school
location
founded
affiliation
enrollment
nickname
primary conference
university
2
1
University of Delaware
Newark, DE
1743-01-01
Public
19067
Fightin'' Blue Hens
Colonial Athletic Association ( D-I )
3
2
Lebanon Valley College
Annville, PA
1866-01-01
Private/Methodist
2100
Flying Dutchmen
MAC Commonwealth Conference ( D-III )
4
3
University of Rhode Island
Kingston, RI
1892-01-01
Public
19095
Rams
Atlantic 10 Conference ( D-I )
5
4
Rutgers University
New Brunswick, NJ
1766-01-01
Public
56868
Scarlet Knights
American Athletic Conference ( D-I )
6
5
Stony Brook University
Stony Brook, NY
1/1/1957
Public
23997
Seawolves
America East Conference ( D-I )

Questions and formulas:
Question: Basketball teams' schools and nicknames by their founding years in chronological order.
Formula: SORT(UNIQUE(HSTACK(B1,G1,D1)), 3, 1)
Formula2: SORT(UNIQUE(HSTACK(B2:B6,G2:G6,D2:D6)), 3, 1)
Level: medium
Question: Schools and nicknames for basketball teams in chronological order of founding years.
Formula: SORT(UNIQUE(HSTACK(B1,G1,D1)), 3, 1)
Formula2: SORT(UNIQUE(HSTACK(B2:B6,G2:G6,D2:D6)), 3, 1)
Level: medium
Question: Public schools and locations.
Formula: LET(query1,FILTER(A1:I1,E1="public"),UNIQUE(CHOOSECOLS(query1,2,3)))
Formula2: LET(query1,FILTER(A2:I6,E2:E6="public"),UNIQUE(CHOOSECOLS(query1,2,3)))
Level: hard
Question: public school locations
Formula: LET(query1,FILTER(A1:I1,E1="public"),UNIQUE(CHOOSECOLS(query1,2,3)))
Formula2: LET(query1,FILTER(A2:I6,E2:E6="public"),UNIQUE(CHOOSECOLS(query1,2,3)))
Level: hard
Question: When was the school with greatest enrollment founded?
Formula: LET(a,HSTACK(D1,B1),b,B1,c,CHOOSECOLS(TAKE(SORT(SUMMARIZE(B1,SUMX(F1)), 2, -1), 1),1),UNIQUE(FILTER(a,NOT(ISNA(XLOOKUP(b,c,c))))))
Formula2: LET(a,HSTACK(D2:D6,B2:B6),b,B2:B6,c,CHOOSECOLS(TAKE(SORT(SUMMARIZE(B2:B6,SUMX(F2:F6)), 2, -1), 1),1),UNIQUE(FILTER(a,NOT(ISNA(XLOOKUP(b,c,c))))))
Level: hard
Question: Founding year of the school which enrolled most students.
Formula: LET(a,HSTACK(D1,B1),b,B1,c,CHOOSECOLS(TAKE(SORT(SUMMARIZE(B1,SUMX(F1)), 2, -1), 1),1),UNIQUE(FILTER(a,NOT(ISNA(XLOOKUP(b,c,c))))))
Formula2: LET(a,HSTACK(D2:D6,B2:B6),b,B2:B6,c,CHOOSECOLS(TAKE(SORT(SUMMARIZE(B2:B6,SUMX(F2:F6)), 2, -1), 1),1),UNIQUE(FILTER(a,NOT(ISNA(XLOOKUP(b,c,c))))))
Level: hard
Question: public schools founded after 1850.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,(E1="public")*(Year(D1)>1850)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I6,(E2:E6="public")*(Year(D1)>1850)),2))
Level: medium
Question: public schools founded before 1850 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,(E1="public")*(Year(D1)<1850)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I6,(E2:E6="public")*(Year(D1)<1850)),2))
Level: medium
Question: total number of affiliations.
Formula: ROWS(UNIQUE(E1))
Formula2: ROWS(UNIQUE(E2:E6))
Level: easy
Question: How many affiliations total?
Formula: ROWS(UNIQUE(E1))
Formula2: ROWS(UNIQUE(E2:E6))
Level: easy
Question: the school with the largest enrollment
Formula: TAKE(SORT(SUMMARIZE(B1,SUMX(F1)), 2, -1), 1)
Formula2: TAKE(SORT(SUMMARIZE(B2:B6,SUMX(F2:F6)), 2, -1), 1)
Level: hard
Question: the school with the largest enrollment.
Formula: TAKE(SORT(SUMMARIZE(B1,SUMX(F1)), 2, -1), 1)
Formula2: TAKE(SORT(SUMMARIZE(B2:B6,SUMX(F2:F6)), 2, -1), 1)
Level: hard
Question: the locations of public schools
Formula: LET(query1,FILTER(A1:I1,E1="public"),UNIQUE(CHOOSECOLS(query1,2,3)))
Formula2: LET(query1,FILTER(A2:I6,E2:E6="public"),UNIQUE(CHOOSECOLS(query1,2,3)))
Level: hard
Question: the public schools which were founded after 1850.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,(E1="public")*(Year(D1)>1850)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I6,(E2:E6="public")*(Year(D1)>1850)),2))
Level: medium
Question: Public schools which were founded before 1850 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,(E1="public")*(Year(D1)<1850)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I6,(E2:E6="public")*(Year(D1)<1850)),2))
Level: medium
Question: the number of affiliations.
Formula: ROWS(UNIQUE(E1))
Formula2: ROWS(UNIQUE(E2:E6))
Level: easy
Question: How many affiliations?
Formula: ROWS(UNIQUE(E1))
Formula2: ROWS(UNIQUE(E2:E6))
Level: easy
Question: Number of schools per each affiliation which have enrolled more than 20000 students 
Formula: LET(query1,SUMMARIZE(E1,DCOUNTX(B1),SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,3)>20000))
Formula2: LET(query1,SUMMARIZE(E2:E6,DCOUNTX(B2:B6),SUMX(F2:F6)),FILTER(query1,CHOOSECOLS(query1,3)>20000))
Level: hard