Table:
0
A
B
C
D
E
1
id
name
nationality
gender
architect
2
1
Frank Lloyd Wright
American
male
3
2
Frank Gehry
Canadian
male
4
3
Zaha Hadid
Iraqi, British
female
5
4
Mies Van Der Rohe
German, American
male
6
5
Le Corbusier
Swiss, French
male

Questions and formulas:
Question: How many architects are female?
Formula: ROWS(UNIQUE(FILTER(E1, D1="female")))
Formula2: ROWS(UNIQUE(FILTER(E2:E6, D2:D6="female")))
Level: medium
Question: List the name, nationality and id of all male architects ordered by their names lexicographically.
Formula: SORTBY(CHOOSE({1,2,3},FILTER(B1,D1="male"),FILTER(C1,D1="male"),FILTER(A1,D1="male")),FILTER(B1,D1="male"),1)
Formula2: SORTBY(CHOOSE({1,2,3},FILTER(B2:B6,D2:D6="male"),FILTER(C2:C6,D2:D6="male"),FILTER(A2:A6,D2:D6="male")),FILTER(B2:B6,D2:D6="male"),1)
Level: hard
Question: total number of female architects
Formula: ROWS(UNIQUE(FILTER(E1, D1="female")))
Formula2: ROWS(UNIQUE(FILTER(E2:E6, D2:D6="female")))
Level: medium
Question: the number of female architects
Formula: ROWS(UNIQUE(FILTER(E1, D1="female")))
Formula2: ROWS(UNIQUE(FILTER(E2:E6, D2:D6="female")))
Level: medium