Table:
0
A
B
C
D
E
1
County
Exports (US$ mil)
Percent of total exports
Imports (US$ mil)
Percent of total imports
2
Bucharest-Ilfov
$ 8,001.2
19.2 %
$ 26,557.8
39.8 %
3
Sud-Muntenia
$ 6,300,7
15.1 %
$ 6,785.5
10.2 %
4
Vest
$ 6,270.2
15.0 %
$ 6,597.6
9.9 %
5
Sud-Est
$ 5,762
13.8 %
$ 7,501.9
11.2 %
6
Centru
$ 5,338
12.8 %
$ 7.879.4
11.8 %
7
Nord-Vest
$ 4,726.6
11.3 %
$ 6,999.1
10.5 %
8
Sud-Vest Oltenia
$ 3,226.2
7.7 %
$ 2,007.8
3.0 %

Questions and formulas:
Question: When the country is vest, what were the exports?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="Vest"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="Vest"),2))
Level: medium