Table:
0
A
B
C
D
E
F
G
1
City proper
Population City limits in millions
Density per km²
Urban area
Population Urban area in millions
Metro area
Population Metro area in millions
2
London, UK
7.5
4,761
Paris, France
10.1
London, UK
12–14
3
Berlin , Germany
3.4
3,815
London, UK
8.5
Paris, France
11.7
4
Madrid , Spain
3.1
1,985
Madrid , Spain
5.5
Rhine-Ruhr , Germany
10.2
5
Rome , Italy
2.7
5,198
Ruhr , Germany
5.3
Randstad , Netherlands
7.0
6
Paris , France
2.2
24,672
Barcelona , Spain
4.5
Madrid , Spain
5.8
7
Bucharest , Romania
1.9
9,131
Milan , Italy
3.8
Barcelona , Spain
5.3
8
Hamburg , Germany
1.8
2,310
Berlin , Germany
3.7
Milan , Italy
4.3
9
Warsaw , Poland
1.7
3,258
Rotterdam – The Hague , Netherlands
3.3
Berlin , Germany
4.3
10
Budapest , Hungary
1,7
3,570
Athens , Greece
3.2
Frankfurt Rhine-Main , Germany
4.1
11
Vienna , Austria
1.7
3,931
Naples , Italy
2.9
Athens , Greece
3.9

Questions and formulas:
Question: Which urban area has a population of 5.3 million?
Formula: LET(query1,SUMMARIZE(D1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=5.3))
Formula2: LET(query1,SUMMARIZE(D2:D11,SUMX(E2:E11)),FILTER(query1,CHOOSECOLS(query1,2)=5.3))
Level: hard