Table:
0
A
B
C
D
E
1
Date
Location
Nature of incident
Circumstances
Casualties
2
2006-02-22
Kunduz Area
Hostile
IED
1 WIA
3
2006-04-07
Kunduz Area
Hostile
IED
3 WIA
4
2006-04-07
Fayzabad Area
Hostile
Direct fire
3 WIA
5
2006-06-26
Kabul area
Hostile
Suicide bomber attack
1 WIA
6
2006-06-28
Kunduz area
Hostile
Direct fire
3 WIA
7
2006-12-17
Masar -e Sharif
Non-hostile
Accidental explosion
1 killed

Questions and formulas:
Question: Name the casualities for nation of incident of hostile on 2006-06-26
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="hostile")*(A1="2006-06-26")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(C2:C7="hostile")*(A2:A7="2006-06-26")),5))
Level: medium
Question: Name the casualities for kabul area
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="kabul area"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="kabul area"),5))
Level: medium
Question: Name the location on 2006-04-07 for direct fire
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1="2006-04-07")*(D1="direct fire")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(A2:A7="2006-04-07")*(D2:D7="direct fire")),2))
Level: medium