Table:
0
A
B
C
D
E
F
1
1946 Nos
1947 Nos
Date
Built at
LMS Nos
BR Nos
2
3100-24
3500-24
1944
Brighton
8705-29
48705-29
3
3125-34
3525-34
1945
Darlington
8730-9
48730-9
4
3135-47
3535-47
1946
Darlington
8740-52
48740-52
5
3148-55
3548-55
1945
Doncaster
8753-60
48753-60
6
3156/7
3556/7
1946
Doncaster
8761/2
48761/2
7
3158-67
3558-67
1946
Doncaster
8763-72
48763-72

Questions and formulas:
Question: Which Built at has a Date of 1946, and a 1947 Nos of 3556/7?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(C1=1946)*(B1="3556/7")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,(C2:C7=1946)*(B2:B7="3556/7")),4))
Level: medium
Question: Which Date has a 1946 Nos of 3156/7?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="3156/7"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,A2:A7="3156/7"),3))
Level: medium
Question: Which Date has a 1947 Nos of 3525-34?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="3525-34"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="3525-34"),3))
Level: medium
Question: Which 1947 Nos has a BR Nos of 48730-9?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="48730-9"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,F2:F7="48730-9"),2))
Level: medium