Table:
0
A
B
C
D
E
1
Date
Location
Nature of incident
Circumstances
Casualties
2
2004-01-28
Kabul
Hostile
Bomb attack
2 WIA
3
2004-05-11
Kabul
Hostile
Rocket attack
1 WIA
4
2004-09-26
Kunduz
Hostile
Mortar attack
3 WIA
5
2004-10-17
Kunduz
Non-hostile
Suicide
1 dead
6
2004-11-26
Kunduz
Hostile
IED
3 WIA

Questions and formulas:
Question: What is the nature of the incident in Kabul on 2004-01-28?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="kabul")*(A1="2004-01-28")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(B2:B6="kabul")*(A2:A6="2004-01-28")),3))
Level: medium
Question: What is the nature of the incident that's a bomb attack?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="bomb attack"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="bomb attack"),3))
Level: medium
Question: What is the nature of the incident with Casualties of 3 wia, and Circumstances of ied?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="3 wia")*(D1="ied")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(E2:E6="3 wia")*(D2:D6="ied")),3))
Level: medium
Question: Which Casualties have a Location of kunduz, and Circumstances of suicide?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="kunduz")*(D1="suicide")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(B2:B6="kunduz")*(D2:D6="suicide")),5))
Level: medium
Question: Which Casualties have a hostile Nature of incident and Circumstances of mortar attack?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="hostile")*(D1="mortar attack")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(C2:C6="hostile")*(D2:D6="mortar attack")),5))
Level: medium