Table:
0
A
B
C
D
E
1
Manufacturer
Type
Quantity
PTRD Nos.
GWR Nos.
2
Robert Stephenson & Co.
0-6-2T
7
8–14
183–187
3
Hudswell Clarke
0-6-0ST
6
22–27
808–809, 811–814
4
Robert Stephenson & Co.
0-6-0ST
2
3, 15
815, 816
5
Sharp, Stewart & Co.
2-4-0T
1
37
1189
6
Sharp, Stewart & Co.
2-4-2T
1
36
1326
7
Sharp, Stewart & Co.
0-8-2T
3
17–19
1358–1360
8
Cooke Locomotive & Machine Works
0-8-2T
2
20–21
1378–1379

Questions and formulas:
Question: What is the highest Quantity for PTRD Nos. 3, 15?
Formula: MAXIFS(C1,D1,"3, 15")
Formula2: MAXIFS(C2:C8,D2:D8,"3, 15")
Level: easy