Table:
0
A
B
C
D
E
F
G
1
Model
Specification
Build date
Total produced
Wheel arrangement
Prime mover
Power output
2
FA-1
DL-208A, DL-208B
1949-1950
28
B-B
12-244B
hp (MW)
3
FB-1
DL-209A, DL-209B
1949-1950
20
B-B
12-244B
hp (MW)
4
FA-2
DL-212, DL-212A
1951–1953
45
B-B
12-244
hp (MW)
5
FB-2
DL-213, DL-213A
1951–1953
21
B-B
12-244
hp (MW)
6
FPA-2
DL-212, DL-212A
1953–1955
19
B-B
12-244D
hp (MW)
7
FPB-2
DL-213, DL-213A
1953–1955
14
B-B
12-244D
hp (MW) hp
8
FPA-4
DL-218
1958–1959
34
B-B
12-251B
hp (MW)
9
FPB-4
DL-219
1958–1959
12
B-B
12-251B
hp (MW)

Questions and formulas:
Question: What is the specification of the locomotives with a total produced more than 19 and a model of fb-1?
Formula: LET(query1,LET(query1,FILTER(A1:G1,A1="fb-1"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)>19))
Formula2: LET(query1,LET(query1,FILTER(A2:G9,A2:A9="fb-1"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)>19))
Level: hard
Question: What is the build date of the locomotives with a total produced less than 45 and a fb-2 model?
Formula: LET(query1,LET(query1,FILTER(A1:G1,A1="fb-2"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)<45))
Formula2: LET(query1,LET(query1,FILTER(A2:G9,A2:A9="fb-2"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)<45))
Level: hard
Question: What is the prime mover of the locomotive with a fa-2 model?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="fa-2"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,A2:A9="fa-2"),6))
Level: medium
Question: What is the build date of the locomotive with a fa-2 model?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="fa-2"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,A2:A9="fa-2"),3))
Level: medium