Table:
0
A
B
C
D
E
F
G
1
1st built
1913 Class
W.A.
No. Built
Builder
Date
LNER Class
2
868
I
4-4-2
20
NBL (14) R. Stephenson (6)
1906–11
C10
3
1
M
4-4-2T
30
Yorkshire Engine Co.
1911–13
C15
4
438
L
4-4-2T
21
NBL
1915–21
C16
5
895
J
4-4-0
16
NBL (6) NBR Cowlairs (10)
1909–11
D29
6
400
J
4-4-0
27
NBR Cowlairs
1912–20
D30
7
882
K
4-4-0
12
NBR Cowlairs
1906–07
D32
8
331
K
4-4-0
12
NBR Cowlairs
1909–10
D33
9
149
K
4-4-0
32
NBR Cowlairs
1913–20
D34
10
239
M
0-4-4T
12
NBL
1909
G9
11
848
B
0-6-0
76
NBL (40) NBR Cowlairs (36)
1906–13
J35
12
8
S
0-6-0
104
NBR Cowlairs (35) NBL (69)
1914–21
J37
13
836
F
0-6-0T
35
NBR Cowlairs
1905–19
J88
14
858
A
0-6-2T
6
NBL
1909–20
N14
15
7
A
0-6-2T
69
NBL
1910–24
N15

Questions and formulas:
Question: What is the 1913 Class of the d32 LNER Class?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="d32"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G15,G2:G15="d32"),2))
Level: medium
Question: What is the W.A. of the 1 1st built?
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=1))
Formula2: LET(query1,SUMMARIZE(C2:C15,SUMX(A2:A15)),FILTER(query1,CHOOSECOLS(query1,2)=1))
Level: hard