Table:
0
A
B
C
D
E
1
Number & Name
Description
Livery
Owner(s)
Date
2
Operational
Operational
Operational
Operational
Operational
3
No. 15097
Simplex 0-4-0PM
BR Black with the Early Crest .
Private owner.
1919
4
No. 15099 Morris
Simplex 0-4-0DM
BR Black with the Early Crest .
Simplex 2028 Association.
1920
5
Marblaegis
Ruston & Hornsby 88DS 0-4-0DM
Green.
Simplex 2028 Association.
1946
6
Qwag
Ruston & Hornsby 0-4-0DM
Green.
Private owner.
1954
7
No. 28 Bardon
Andrew Barclay 0-4-0DM
Lined Green.
Private owner.
1956
8
D2959 Staythorpe
Ruston & Hornsby 165 0-4-0DE
BR Green with the Late Crest .
Private owner.
1961
9
Undergoing overhaul, restoration or repairs
Undergoing overhaul, restoration or repairs
Undergoing overhaul, restoration or repairs
Undergoing overhaul, restoration or repairs
Undergoing overhaul, restoration or repairs
10
Stored or static
Stored or static
Stored or static
Stored or static
Stored or static
11
No. D4279 Arthur Wright
John Fowler 0-4-0DM
Dark blue.
Private owner.
1952

Questions and formulas:
Question: What owner or owners have an operational description?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="operational"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="operational"),4))
Level: medium
Question: What is the date for the Operational Livery?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="operational"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,C2:C11="operational"),5))
Level: medium
Question: What is the date listed for the item that has undergoing overhaul, restoration or repairs listed under description?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="undergoing overhaul, restoration or repairs"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="undergoing overhaul, restoration or repairs"),5))
Level: medium