Table:
0
A
B
C
D
E
F
G
1
Week
Room(s)
John and Neisha
Mark and Duncan
Erin and Jake
Chez and Brenton
Winner
2
1
Guest room/study
$4,737
$7,205
$5,735
$6,471
Erin and Jake
3
2
"Spare room"
$6,457
$6,175
$6,916
$7,331
John and Neisha
4
3
Ensuite
$9,027
$11,114
$10,811
$11,936
Mark and Duncan
5
4
Master bedroom
$9,465
$7,925
$6,810
$8,806
Chez and Brenton
6
5
Main bathroom and laundry
$18,640
$13,853
$16,901
$16,486
Erin and Jake
7
6
Living room
$15,347
$10,320
$13,883
$9,924
John and Neisha

Questions and formulas:
Question: Name the erin and jake for week 4
Formula: LET(query1,SUMMARIZE(E1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Formula2: LET(query1,SUMMARIZE(E2:E7,SUMX(A2:A7)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Level: hard