Table:
0
A
B
C
D
E
F
G
H
I
1
RR Romaja
M–R Romaja
Hangul/Chosongul
Hanja
ISO
Area
Capital
Region
Country
2
Chungcheongbuk
Ch'ungch'ŏngbuk
충청북도
忠清北道
KR-43
7,436
Cheongju
Hoseo
South Korea
3
Chungcheongnam
Ch'ungch'ŏngnam
충청남도
忠清南道
KR-44
8,352
Hongseong
Hoseo
South Korea
4
Gangwon
Kangwŏn
강원도
江原道
KR-44
16,894
Chuncheon
Gwandong
South Korea
5
Gangwon
Kangwŏn
강원도
江原道
KP-07
11,091
Wonsan
Gwandong
North Korea
6
Gyeonggi
Kyŏnggi
경기도
京畿道
KR-41
10,131
Suwon
Sudogwon
South Korea
7
Gyeongsangbuk
Kyŏngsangbuk
경상북도
慶尙北道
KR-47
19,440 [2]
Daegu
Yeongnam
South Korea
8
Gyeongsangnam
Kyŏngsangnam
경상남도
慶尙南道
KR-48
11,859
Changwon
Yeongnam
South Korea
9
Hamgyeongbuk
Hamgyŏngbuk
함경북도
咸鏡北道
KP-09
15,980
Chongjin
Kwanbuk
North Korea
10
Hamgyeongnam
Hamgyŏngnam
함경남도
咸鏡南道
KP-08
18,534
Hamhung
Kwannam
North Korea
11
Hwanghaebuk
Hwanghaebuk
황해북도
黃海北道
KP-06
8,154
Sariwon
Haeso
North Korea
12
Hwanghaenam
Hwanghaenam
황해남도
黃海南道
KP-05
8,450
Sariwon
Haeso
North Korea
13
Jagang
Chagang
자강도
慈江道
KP-04
16,765
Kanggye
Kwanso
North Korea
14
Jeju
Cheju
제주도
濟州道
KR-49
1,846
Jeju City
Jejudo
South Korea
15
Jeollabuk
Chŏllabuk
전라북도
全羅北道
KR-45
8,043
Jeonju
Honam
South Korea
16
Jeollanam
Chŏllanam
전라남도
全羅南道
KR-46
11,858
Muan
Honam
South Korea
17
Pyeonganbuk
P'yŏnganbuk
평안북도
平安北道
KP-03
12,680
Sinuiju
Kwanso
North Korea
18
Pyeongannam
P'yŏngannam
평안남도
平安南道
KP-02
11,891
Pyongsong
Kwanso
North Korea

Questions and formulas:
Question: Name the total number of hangul chosongul for 8,352
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,F1=8352),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I18,F2:F18=8352),3))
Level: medium
Question: Name the iso for chungcheongnam
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,A1="Chungcheongnam"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I18,A2:A18="Chungcheongnam"),5))
Level: medium
Question: Name the country for 11,891 area
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,F1=11891),9))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I18,F2:F18=11891),9))
Level: medium
Question: Name the number of region for  경상남도
Formula: ROWS(UNIQUE(FILTER(H1, C1="경상남도")))
Formula2: ROWS(UNIQUE(FILTER(H2:H18, C2:C18="경상남도")))
Level: medium
Question: Name the m r romaja for kwanbuk
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,H1="Kwanbuk"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I18,H2:H18="Kwanbuk"),2))
Level: medium