Table:
0
A
B
C
D
E
1
Field
Geological Trend
Reserves
Discovery
Operator(s)
2
Samah field
Western
Gof
NA
WOC
3
Beida field
Western
Gof
NA
NOC
4
Dahra-Hofra field
Western
Gof
NA
WOC
5
Raguba field
Western
Gof
1961
SOC
6
Bahi field
Western
NA
1958
NOC
7
Waha field
Northcentral
Gof
1961
ConocoPhillips
8
Nasser field
Northcentral
2.5 Bbbl
1956
SOC
9
Hateiba gas field
Northcentral
NA
1960
SOC
10
Sarir field
Eastern
12.0 Bbbl
1961
Agoco
11
Messla field
Eastern
Gof
1984
Agoco
12
Gialo field
Eastern
Gof
NA
WOC
13
Bu Attifel field
Eastern
Gof
1968
Agip
14
Intisar field
Eastern
Gof
NA
ZOC
15
Nafoora-Augila field
Eastern
Gof
1965
Agoco
16
Amal field
Eastern
Gof
1959
PetroCanada
17
An-Naga field
Western
100 Bbbl
1998
Lundin

Questions and formulas:
Question: Which Discoveryhas an Operator(s) of lundin?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="lundin"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,E2:E17="lundin"),4))
Level: medium
Question: Which Geological Trend has an Operator(s) of woc?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="woc"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,E2:E17="woc"),2))
Level: medium
Question: Which operator has a Reserve of 100 bbbl?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="100 bbbl"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,C2:C17="100 bbbl"),5))
Level: medium
Question: Which Field has a Discovery of na, and an Operator(s) of woc, and a Geological Trend of western
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="na")*(E1="woc")*(B1="western")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,(D2:D17="na")*(E2:E17="woc")*(B2:B17="western")),1))
Level: medium