Table:
0
A
B
C
D
E
F
1
Governorate
Name in Russian
Name in Polish
Seat
Area, in thousands of km 2
Population, in thousands,( 1905 )
2
Warsaw Governorate
Варшавская губерния
Gubernia warszawska
Warszawa
17,6
2233
3
Kalisz Governorate
Калишская губерния
Gubernia kaliska
Kalisz
11,3
964
4
Kielce Governorate
Келецкая губерния
Gubernia kielecka
Kielce
10,2
899
5
Łomża Governorate
Ломжинская губерния
Gubernia lubelska
Łomża
10,6
645
6
Lublin Governorate
Люблинская губерния
Gubernia łomżyńska
Lublin
16,9
1341
7
Piotrków Governorate
Петроковская губерния
Gubernia piotrkowska
Piotrków
12,2
1640
8
Płock Governorate
Плоцкая губерния
Gubernia płocka
Płock
9,4
613
9
Radom Governorate
Радомская губерния
Gubernia radomska
Radom
12,4
917
10
Siedlce Governorate
Седлецкая губерния
Gubernia siedlecka
Siedlce
14,3
894
11
Suwalki Governorate
Сувалкская губерния
Gubernia suwalska
Suwałki
12,4
629

Questions and formulas:
Question: Tell me the name in polish for radom seat
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="radom"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F11,D2:D11="radom"),3))
Level: medium
Question: Tell me the population for gubernia łomżyńska
Formula: SUMIFS(F1,C1,"gubernia łomżyńska")
Formula2: SUMIFS(F2:F11,C2:C11,"gubernia łomżyńska")
Level: easy