Table:
0
A
B
C
D
E
F
G
1
Letters
Organization
Nickname
Founding Date
Founding University
Type
Canadian Chapters
2
ΑΓΔ
Alpha Gamma Delta
"A G D" or "Alpha Gam" or "Gams"
1904-05-30
Syracuse University
Social
8 Active, 2 Inactive
3
ΑΔΠ
Alpha Delta Pi
"A D Pi"
1851-05-15
Wesleyan College
Social
3 Active, 1 Inactive
4
AΕΦ
Alpha Epsilon Phi
"A E Phi" or "Phisters"
1909-10-24
Barnard College
Jewish
1 Active, 2 Inactive
5
ΑΟΠ
Alpha Omicron Pi
"AOPi" "Alphas" "Alpha O's"
1897-01-02
Barnard College
Social
8 Active
6
AΦ
Alpha Phi
"A-Phi"
1872-10-10
Syracuse University
Social
6 Active, 1 Inactive
7
ΓΦΒ
Gamma Phi Beta
"Gamma Phi", "G-Phi-B" or "G-Phi"
1874-11-11
Syracuse University
Social
3 Active, 2 Inactive
8
ΔΓ
Delta Gamma
"DG" or "DeeGee"
1873-12-25
Lewis School for Girls
Social
3 Active, 2 Inactive
9
ΔΔΔ
Delta Delta Delta
"Tri Delta"
1888-11-27
Boston University
Social
2 Active, 2 Inactive
10
ΔΖ
Delta Zeta
"DZ"
1902-10-24
Miami University
Social
1 Active, 1 Inactive
11
ΔΦΕ
Delta Phi Epsilon
"DPhiE"
1917-03-17
New York University Law School
Social
1 Active, 5 Inactive
12
ΚΑΘ
Kappa Alpha Theta
"Theta" or "KAT"
1870-01-27
DePauw University
Social
4 Active, 2 Inactive
13
ΚΚΓ
Kappa Kappa Gamma
"Kappa"
1870-10-13
Monmouth College
Social
4 Active, 1 Inactive
14
ΠΒΦ
Pi Beta Phi
"Pi Phi"
1867-04-28
Monmouth College
Social
4 Active, 2 Inactive

Questions and formulas:
Question: When καθ are the letters what is the nickname?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="ΚΑΘ"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G14,A2:A14="ΚΑΘ"),3))
Level: medium
Question: When 1873-12-25 is the founding date how many organizations are there?
Formula: ROWS(UNIQUE(FILTER(B1, D1="1873-12-25")))
Formula2: ROWS(UNIQUE(FILTER(B2:B14, D2:D14="1873-12-25")))
Level: medium
Question: When 1872-10-10 is the founding date what are the canadian chapters?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="1872-10-10"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G14,D2:D14="1872-10-10"),7))
Level: medium
Question: When 1 active, 1 inactive is the canadian chapters how many founding dates are there?
Formula: ROWS(UNIQUE(FILTER(D1, G1="1 Active, 1 Inactive")))
Formula2: ROWS(UNIQUE(FILTER(D2:D14, G2:G14="1 Active, 1 Inactive")))
Level: medium