Table:
0
A
B
C
D
E
F
G
H
1
Country
Area (000s)
1950 (mil)
1970 (mil)
1980 (mil)
1985 (mil)
Annual Growth (1950–1985)
Density (1980)
2
Albania
28.7km 2
1.22
2.16
2.59
2.96
+4.07%
90.2/km 2
3
Bulgaria
110.9km 2
7.27
8.49
8.88
8.97
+0.67%
80.1/km 2
4
Czechoslovakia
127.9km 2
13.09
14.47
15.28
15.50
+0.53%
119.5/km 2
5
Hungary
93.0km 2
9.20
10.30
10.71
10.60
+0.43%
115.2/km 2
6
East Germany
108.3km 2
17.94
17.26
16.74
16.69
-0.20
154.6/km 2
7
Poland
312.7km 2
24.82
30.69
35.73
37.23
+1.43%
114.3/km 2
8
Romania
237.5km 2
16.31
20.35
22.20
22.73
+1.12%
93.5/km 2
9
Soviet Union
22,300km 2
182.32
241.72
265.00
272.00
+1.41
11.9/km 2

Questions and formulas:
Question: Name the total number 1980 mil for soviet union
Formula: SUMIFS(E1,A1,"Soviet Union")
Formula2: SUMIFS(E2:E9,A2:A9,"Soviet Union")
Level: easy
Question: Name the country for 37.23 1985
Formula: LET(query1,SUMMARIZE(A1,SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,2)=37.23))
Formula2: LET(query1,SUMMARIZE(A2:A9,SUMX(F2:F9)),FILTER(query1,CHOOSECOLS(query1,2)=37.23))
Level: hard
Question: Name the country for 2.16 
Formula: LET(query1,SUMMARIZE(A1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=2.16))
Formula2: LET(query1,SUMMARIZE(A2:A9,SUMX(D2:D9)),FILTER(query1,CHOOSECOLS(query1,2)=2.16))
Level: hard