Table:
0
A
B
C
D
E
1
Class (old) to 1868
Railway number(s)
Quantity
Year(s) of manufacture
Type
2
I a ( de )
1–6
6
1839–1843
1A1 n2
3
I b
7–15
9
1842–1843
1A1 n2
4
II ( de )
16–19
4
1843–1844
1A1 n2
5
III a ( de )
20–24
5
1844
1A1 n2
6
III b ( de )
25–28
4
1844
1A1 n2
7
III c ( de )
29–36
8
1845
1A1 n2
8
IV ( de )
37–41
5
1845
1A1 n2
9
V ( de )
42–46
5
1845
1B n2
10
VI ( de )
47–54
8
1845
C n2
11
VII ( de )
55–58
4
1846
2′B n2
12
VIII ( de )
59–65
7
1847
1A1 n2
13
VIII ( de )
66
1
1846
1A1 n2

Questions and formulas:
Question: Can you tell me the Class (old) to 1868 that has the Quantity larger than 8?
Formula: LET(query1,SUMMARIZE(A1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)>8))
Formula2: LET(query1,SUMMARIZE(A2:A13,SUMX(C2:C13)),FILTER(query1,CHOOSECOLS(query1,2)>8))
Level: hard