Table:
0
A
B
C
D
E
F
1
Settlement
Cyrillic Name
Type
Population (2011)
Largest ethnic group (2002)
Dominant religion (2002)
2
Titel
Тител
town
5294
Serbs
Orthodox Christianity
3
Gardinovci
Гардиновци
village
1297
Serbs
Orthodox Christianity
4
Lok
Лок
village
1114
Serbs
Orthodox Christianity
5
Mošorin
Мошорин
village
2569
Serbs
Orthodox Christianity
6
Šajkaš
Шајкаш
village
4374
Serbs
Orthodox Christianity

Questions and formulas:
Question: In what settlement is the population 1114?
Formula: LET(query1,SUMMARIZE(A1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=1114))
Formula2: LET(query1,SUMMARIZE(A2:A6,SUMX(D2:D6)),FILTER(query1,CHOOSECOLS(query1,2)=1114))
Level: hard
Question: What type is the settlement of Lok? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Lok"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,A2:A6="Lok"),3))
Level: medium