Table:
0
A
B
C
D
E
F
G
1
Class
Wheel arrangement
Fleet number(s)
Manufacturer
Year made
Quantity made
Quantity preserved
2
2-8-0 — oOOOO — Consolidation
2-8-0 — oOOOO — Consolidation
2-8-0 — oOOOO — Consolidation
2-8-0 — oOOOO — Consolidation
2-8-0 — oOOOO — Consolidation
2-8-0 — oOOOO — Consolidation
2-8-0 — oOOOO — Consolidation
3
F-1
2-8-0
403–405, 407–412
Schenectady
1893
9
0
4
F-2
2-8-0
406
Schenectady
1893
1
0
5
F-3
2-8-0
413–416
Schenectady
1893
4
0
6
F-4
2-8-0
417
Schenectady
1893
1
0
7
F-6
2-8-0
400–402, 418–427
Rhode Island
1893
13
0
8
F-7
2-8-0
428–430
Schenectady
1900
3
0
9
F-8
2-8-0
431–444
Alco -Schenectady
1902–1903
14
1
10
F-9
2-8-0
445–472
Alco -Schenectady
1905–1906
28
1
11
F-10
2-8-0
473–474
Alco -Schenectady
1909
2
0
12
F-11
2-8-0
475–484
Alco -Schenectady
1910
10
0
13
F-12
2-8-0
485–499
Alco -Schenectady
1912–1913
15
0
14
F-20
2-8-0
2400–2424
Alco -Schenectady
1903–1907
25
1
15
F-21
2-8-0
2425–2428
Alco -Schenectady
1909
4
1
16
F-22
2-8-0
2429–2443
Alco -Schenectady
1911
15
1
17
F-23
2-8-0
2444–2450
Alco -Schenectady
1914
7
0

Questions and formulas:
Question: What is the quantity preserved when 4 were made of class F-21?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(F1=4)*(A1="f-21")),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,(F2:F17=4)*(A2:A17="f-21")),7))
Level: medium
Question: What fleet number had 3 made?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1=3),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,F2:F17=3),3))
Level: medium
Question: What class had 1 made and fleet number of 406?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(F1=1)*(C1=406)),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,(F2:F17=1)*(C2:C17=406)),1))
Level: medium
Question: What class has 0 preserved and 2 made?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(G1=0)*(F1=2)),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,(G2:G17=0)*(F2:F17=2)),1))
Level: medium