Table:
0
A
B
C
D
E
1
Number & name
Description
Current status
Livery
Date
2
No. 20020
BR Bo-Bo Class 20
Operational.
BR Blue
1959
3
No. 25235
BR Bo-Bo Class 25
Operational (restricted to yard use only).
BR Blue
1964
4
No. 26004
BR Bo-Bo Class 26
Stored awaiting overhaul.
Railfreight Grey
1958
5
No. 26024
BR Bo-Bo Class 26
Operational.
BR Blue
1959
6
No. 27001
BR Bo-Bo Class 27
Operational.
BR Blue (rusted and faded)
1961
7
No. 27005/D5351
BR Bo-Bo Class 27
Static exhibit in the museum.
BR Blue
1962
8
No. 37025 " Inverness TMD "
BR Co-Co Class 37
Undergoing wheel set change.
BR Blue, Large Logo
1961
9
No. 37175 "W.S. Sellar"
BR Co-Co Class 37
Operational.
BR Blue, Large Logo
1963
10
No. D6607 "Ben Cruachan"
BR Co-Co Class 37
Undergoing restoration.
BR Green
1965
11
No. 37413
BR Co-Co Class 37
Stored
EWS
1965
12
No. 47643
BR Co-Co Class 47
Operational.
ScotRail
1965

Questions and formulas:
Question: What description does Livery of ews have?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="ews"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,D2:D12="ews"),2))
Level: medium