Table:
0
A
B
C
D
E
F
1
Class
Type
Names
Quantity made
Manufacturer
Date made
2
Pioneer
0-6-2T
Pioneer Sligo
2
Avonside Engine Co.
1877
3
Leitrim
0-6-4T
Fermanagh Leitrim Lurganboy Lissadell Hazlewood
5
Beyer, Peacock & Co.
1882–1899
4
Erne
4-4-0T
Erne
1
Hudswell Clarke
1883
5
Faugh-a-Ballagh
0-4-0ST
Faugh-a-Ballagh
1
Hunslet Engine Co.
1878
6
Waterford
0-6-0T
Waterford
1
Hunslet Engine Co.
1893
7
Sir Henry
0-6-4T
Sir Henry Enniskillen Lough Gill
3
Beyer, Peacock & Co.
1904–1917
8
Glencar
4-4-0
Blacklion Glencar
(2)
Beyer, Peacock & Co.
1885–87
9
Sligo
0-6-0
Glencar ‘A’ Sligo Sligo
(3)
Beyer, Peacock & Co.
1882–1890
10
Lough
0-6-4T
Lough Melvin Lough Erne
2
Beyer, Peacock & Co.
1949

Questions and formulas:
Question: What is the date of the locomotive with a Waterford class?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="waterford"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,A2:A10="waterford"),6))
Level: medium
Question: What is the date of the locomotive named Blacklion Glencar?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="blacklion glencar"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,C2:C10="blacklion glencar"),6))
Level: medium
Question: What is the quantity made of the locomotive with a Waterford class?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="waterford"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,A2:A10="waterford"),4))
Level: medium
Question: What is the class of the locomotive with a quantity made of 1 and a 0-6-0t type?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(D1=1)*(B1="0-6-0t")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,(D2:D10=1)*(B2:B10="0-6-0t")),1))
Level: medium
Question: What is the class of the locomotive with a 0-4-0st type?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="0-4-0st"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,B2:B10="0-4-0st"),1))
Level: medium
Question: What is the name of the locomotive with a Glencar class?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="glencar"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,A2:A10="glencar"),3))
Level: medium