Table:
0
A
B
C
D
E
F
1
Region
Location
From
Depots (12.09)
Routes (12.09)
Vehicles (12.09)
2
Altai krai
Barnaul
19 Oct 1973
1
5
57
3
Altai krai
Rubtsovsk
28 Dec 1973
1
2
49
4
Zabaykalsky krai
Chita
30 Dec 1970
1
5
77
5
Irkutsk obl.
Irkutsk
6 Nov 1970
1
5
40
6
Irkutsk obl.
Bratsk
1 Feb 1975
1
5
50
7
Kemerovo obl.
Kemerovo
25 Sep 1970
1
10
88
8
Kemerovo obl.
Leninsk-Kuznetsky
11 Jan 1984
1
3
31
9
Kemerovo obl.
Novokuznetsk
1 Jan 1978
1
4
53
10
Krasnoyarsk krai
Krasnoyarsk
5 Nov 1959
2
8
140
11
Novosibirsk obl.
Novosibirsk
11 Nov 1957
4
14
322
12
Omsk obl.
Omsk
5 Nov 1955
2
10
216
13
Tomsk obl.
Tomsk
7 Nov 1967
1
8
93
14
Khakassia
Abakan
31 Dec 1980
1
12
24

Questions and formulas:
Question: What region has 57 vehicles?
Formula: LET(query1,SUMMARIZE(A1,SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,2)=57))
Formula2: LET(query1,SUMMARIZE(A2:A14,SUMX(F2:F14)),FILTER(query1,CHOOSECOLS(query1,2)=57))
Level: hard