Table:
0
A
B
C
D
E
F
1
address id
line 1 number building
city
zip postcode
state province county
country
2
1
4315 Kerluke Canyon Apt. 800
Hertafurt
740
Nevada
USA
3
2
319 Kozey Highway Suite 973
Edgardoberg
282
Colorado
USA
4
3
592 Frederique Ridge
Gilbertmouth
167
Virginia
USA
5
4
01868 Laverna Green
Lake Floyd
41
Oklahoma
USA
6
5
6017 Price Greens
Gibsonfurt
873
District of Columbia
USA
7
6
037 Luella Path
North Jairo
126
Maryland
USA
8
7
044 Greenfelder Fort
East Rickey
564
Louisiana
USA
9
8
2676 Connelly Islands Apt. 199
West Kaiatown
770
Oregon
USA
10
9
6830 Alexanne Forks Apt. 925
Agustinstad
248
Illinois
USA
11
10
918 Lauren Drive
Gleasonland
116
Kentucky
USA
12
11
70345 Marvin Glens Apt. 669
Lake Katheryn
505
Kentucky
USA
13
12
65854 McKenzie Tunnel
North Lisandroport
202
Maine
USA
14
13
494 Bruen Radial Apt. 723
Estaland
381
Idaho
USA
15
14
794 Doyle Lake Apt. 531
West Muriel
571
Vermont
USA
16
15
9590 Rogahn Point Apt. 466
Port Montytown
37
SouthDakota
USA

Questions and formulas:
Question: How many American addresses are there?
Formula: SUMIFS(A1,F1,"usa")
Formula2: SUMIFS(A2:A16,F2:F16,"usa")
Level: easy
Question: What are the addresses in different cities?
Formula: UNIQUE(HSTACK(C1,A1))
Formula2: UNIQUE(HSTACK(C2:C16,A2:A16))
Level: easy
Question: How many addresses in each country?
Formula: SUMMARIZE(F1,SUMX(A1))
Formula2: SUMMARIZE(F2:F16,SUMX(A2:A16))
Level: easy
Question: The number of addresses in USA.
Formula: SUMIFS(A1,F1,"usa")
Formula2: SUMIFS(A2:A16,F2:F16,"usa")
Level: easy