Table:
0
A
B
C
D
E
1
HR Number
Name
LMS Number
BR number
Withdrawn
2
49
Clan Campbell
14762
—
Cannot handle non-empty timestamp argument! 1947
3
51
Clan Fraser
14763
—
Cannot handle non-empty timestamp argument! 1944
4
52
Clan Munro
14764
54764
Cannot handle non-empty timestamp argument! 1948
5
53
Clan Stewart
14765
—
Cannot handle non-empty timestamp argument! 1945
6
54
Clan Chattan
14766
—
Cannot handle non-empty timestamp argument! 1944
7
55
Clan Mackinnon
14767
54767
Cannot handle non-empty timestamp argument! 1950
8
56
Clan Mackenzie
14768
—
Cannot handle non-empty timestamp argument! 1945
9
57
Clan Cameron
14769
—
Cannot handle non-empty timestamp argument! 1943

Questions and formulas:
Question: Which BR number has an LMS number over 14768?
Formula: LET(query1,SUMMARIZE(D1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)>14768))
Formula2: LET(query1,SUMMARIZE(D2:D9,SUMX(C2:C9)),FILTER(query1,CHOOSECOLS(query1,2)>14768))
Level: hard