Table:
0
A
B
C
D
E
1
Name
Builder
Wheel arrangement
Works Number
Built
2
Alpha
W.G. Bagnall
0-6-2T
2472
1932
3
Leader
Kerr Stuart
0-4-2ST
926
1905
4
Melior
Kerr Stuart
0-4-2ST
4219
1924
5
Premier
Kerr Stuart
0-4-2ST
886
1905
6
Superb
W.G. Bagnall
0-6-2T
2624
1922
7
Triumph
W.G. Bagnall
0-6-2T
2511
1934
8
Unique
W.G. Bagnall
2-4-0 F
2216
1924
9
Victor
Hudson Hunslet
4wDM
4182
1953
10
Edward Lloyd
Ruston & Hornsby
0-4-0 DM
435403
1961
11
Barton Hall
Hunslet
4wDH
6651
1965
12
No 1
Andrew Barclay and Sons
0-4-0F
1876
1925
13
No 3, Bear
Peckett and Sons
0-4-0ST
614
1896

Questions and formulas:
Question: What is the work number for Victor?
Formula: FILTER(D1,A1="victor")
Formula2: FILTER(D2:D13,A2:A13="victor")
Level: easy
Question: What is the average building year for Superb?
Formula: AVERAGE(FILTER(E1,A1="superb"))
Formula2: AVERAGE(FILTER(E2:E13,A2:A13="superb"))
Level: easy