Table:
0
A
B
C
D
E
1
Livery
Locomotive type
Wheel Arrangement
Builder
Year built
2
Highland Railway green
Steam
2-6-2
Ravenglass & Eskdale Railway
1989
3
Dark blue
Steam
4-6-2
G & S Co.
1950
4
Two-tone red
Diesel
B-B
TMA Engineering
1988
5
Brunswick green
Steam
2-6-2
Ravenglass & Eskdale Railway
1992
6
Two-tone green
Diesel
0-6-0
TMA Engineering
1992
7
Black
Steam
2-6-4 T
Kanazawa Technical College
1995

Questions and formulas:
Question: What is the livery of the steam locomotive built after 1950 with a wheel arrangement of 2-6-2?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="steam")*(E1>1950)*(C1="2-6-2")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(B2:B7="steam")*(E2:E7>1950)*(C2:C7="2-6-2")),1))
Level: medium
Question: What livery belongs to the steam Locomotive type builder that was building before 1989?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1<1989)*(B1="steam")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(E2:E7<1989)*(B2:B7="steam")),1))
Level: medium