Table:
0
A
B
C
D
E
F
G
H
1
Afghan
Albanian
Arabic
Bangladeshi
Bosnian
Chinese
Colombian
Cook Islands
2
Croatian
Czech
Dutch
Ethiopian
Fijian
Filipino
Finnish
French
3
Four EB (any other)
German
Greek
Hungarian
Indian
Irish
Italian
Japanese
4
Korean
Kurdish
Latin-American
Lithuanian
Macedonian
Maltese
Maori
Multicultural (Mixed)
5
Nepalese
Niue
Pakistani
Persian
Polish
Portuguese
Punjabi
Romanian
6
Russian
Samoan
Scottish
Serbian
Slovak
Slovenian
Spanish
Sri Lankan

Questions and formulas:
Question: how many arabic scottish is afghan
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,C1="Scottish"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H6,C2:C6="Scottish"),1))
Level: medium
Question: how many bosnian in  cook islands  is macedonian
Formula: ROWS(UNIQUE(FILTER(H1, E1="Macedonian")))
Formula2: ROWS(UNIQUE(FILTER(H2:H6, E2:E6="Macedonian")))
Level: medium
Question: how many colombia in bangladesh is serbian
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,D1="Serbian"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H6,D2:D6="Serbian"),7))
Level: medium
Question: how many arabic in colobians is finnish
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,G1="Finnish"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H6,G2:G6="Finnish"),3))
Level: medium
Question: how many bosnian in cook islands is sri lankan
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,H1="Sri Lankan"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H6,H2:H6="Sri Lankan"),5))
Level: medium
Question: how many afghan in banglash is hungarian
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,D1="Hungarian"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H6,D2:D6="Hungarian"),1))
Level: medium