Table:
0
A
B
C
D
E
F
1
Name
Built
Wheels
Fuel/ Trans
Status
Colour
2
Ted
Lister 1944
0-4-0
Diesel-Mechanical
Under Rebuild
Brown
3
The Cub/John
Minirail 1954
0-4-0 Bo
Diesel-Hydraulic
Stored
Grey undercoat
4
Battison
Battison 1958
2-6-4DE
Diesel-Electric
Out of Service
LNER Black
5
Dudley
G & S Light Engineering 1946
Bo-Bo
4* Petrol-Mechanical
On Display
Grey & Red
6
DA1
Bush Mill Railway 1986
0-4-0
Diesel-Mechanical
In Service
Royal Blue with white linings
7
KD1
Unknown
Articulated
Diesel Electric
Long term restoration, Stored
Ran in a red livery previously

Questions and formulas:
Question: What sort of Fuel/Trans does the Grey & Red locomotive have?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="grey & red"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,F2:F7="grey & red"),4))
Level: medium
Question: What is the status of the Cub/John locomotive?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="the cub/john"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,A2:A7="the cub/john"),5))
Level: medium
Question: What is the manufacturer, found under the Built column, that made locomotives with a Fuel/Trans of diesel-electric?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="diesel-electric"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="diesel-electric"),2))
Level: medium
Question: What is found in the Built column of the locomotive with 0-4-0 wheels that is still in service?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(C1="0-4-0")*(E1="in service")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,(C2:C7="0-4-0")*(E2:E7="in service")),2))
Level: medium
Question: What is the color of the locomotive built by Minirail 1954?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="minirail 1954"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="minirail 1954"),6))
Level: medium