Table:
0
A
B
C
D
E
F
G
1
English Name
Simplified
Traditional
Pinyin
Area
Population
Density
2
Xinzhou District
信州区
信州區
Xìnzhōu Qū
339
416219
1228
3
Dexing City
德兴市
德興市
Déxīng Shì
2101
293202
140
4
Shangrao County
上饶县
上饒縣
Shàngráo Xiàn
2240
700266
313
5
Guangfeng County
广丰县
廣豐縣
Guǎngfēng Xiàn
1378
752939
546
6
Yushan County
玉山县
玉山縣
Yùshān Xiàn
1728
574363
332
7
Yanshan County
铅山县
鉛山縣
Yánshān Xiàn
2178
427000
196
8
Hengfeng County
横峰县
橫峰縣
Héngfēng Xiàn
655
184870
282
9
Yiyang County
弋阳县
弋陽縣
Yìyáng Xiàn
1593
353378
222
10
Yugan County
余干县
餘干縣
Yúgān Xiàn
2331
887603
381
11
Poyang County
鄱阳县
鄱陽縣
Póyáng Xiàn
4215
1296756
308
12
Wannian County
万年县
萬年縣
Wànnián Xiàn
1141
359098
315

Questions and formulas:
Question: How many people live in  铅山县?
Formula: SUMIFS(F1,B1,"铅山县")
Formula2: SUMIFS(F2:F12,B2:B12,"铅山县")
Level: easy
Question: What is the traditional way to write the name of the district who's area is 2331?
Formula: LET(query1,SUMMARIZE(C1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=2331))
Formula2: LET(query1,SUMMARIZE(C2:C12,SUMX(E2:E12)),FILTER(query1,CHOOSECOLS(query1,2)=2331))
Level: hard
Question: What is the capital of the district who's simplified name is  信州区?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="信州区"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,B2:B12="信州区"),4))
Level: medium
Question: How many people live in the district who's capital is  héngfēng xiàn?
Formula: SUMIFS(F1,D1,"Héngfēng Xiàn")
Formula2: SUMIFS(F2:F12,D2:D12,"Héngfēng Xiàn")
Level: easy
Question: What is the density of yushan county?
Formula: SUMIFS(G1,A1,"Yushan County")
Formula2: SUMIFS(G2:G12,A2:A12,"Yushan County")
Level: easy