Table:
0
A
B
C
D
E
F
G
H
1
Position
Sail Number
Yacht
State/Country
Yacht Type
LOA (Metres)
Skipper
Elapsed Time d:hh:mm:ss
2
1
US17
Sayonara
USA
Farr ILC Maxi
24.13
Larry Ellison
2:19:03:32
3
2
C1
Brindabella
NSW
Jutson 79
24.07
George Snow
2:21:55:06
4
3
YC1000
Ausmaid
SA
Farr 47
14.24
Kevan Pearce
3:06:02:29
5
4
AUS70
Ragamuffin
NSW
Farr 50
15.15
Syd Fischer
3:06:11:29
6
5
COK1
Nokia
CI
Farr Ketch Maxi
25.20
David Witt
3:09:19:00
7
6
SM1
Fudge
VIC
Elliot 56
17.07
Peter Hansen
3:11:00:26
8
7
6606
Quest
NSW
Nelson Marek 46
14.12
Bob Steel
3:14:41:28
9
8
9090
Industrial Quest
QLD
Nelson Marek 43
13.11
Kevin Miller
3:14:58:46
10
9
4826
Aspect Computing
NSW
Radford 16.5 Sloop
16.50
David Pescud
3:15:28:24

Questions and formulas:
Question: When 17.07 is the loa (metres) what is the type of yacht?
Formula: LET(query1,SUMMARIZE(E1,SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,2)=17.07))
Formula2: LET(query1,SUMMARIZE(E2:E10,SUMX(F2:F10)),FILTER(query1,CHOOSECOLS(query1,2)=17.07))
Level: hard
Question: When 3 is the position what is the sail number?
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=3))
Formula2: LET(query1,SUMMARIZE(B2:B10,SUMX(A2:A10)),FILTER(query1,CHOOSECOLS(query1,2)=3))
Level: hard
Question: When 3:15:28:24 is the  elapsed time d:hh:mm:ss  what is the type of yacht?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,H1="3:15:28:24"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H10,H2:H10="3:15:28:24"),5))
Level: medium
Question: When aspect computing is the yacht what is the sail number?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,C1="Aspect Computing"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H10,C2:C10="Aspect Computing"),2))
Level: medium
Question: When 6606 is the sail number what is the type of yacht?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,B1=6606),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H10,B2:B10=6606),5))
Level: medium
Question: When 5 is the position what is the state or country?
Formula: LET(query1,SUMMARIZE(D1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=5))
Formula2: LET(query1,SUMMARIZE(D2:D10,SUMX(A2:A10)),FILTER(query1,CHOOSECOLS(query1,2)=5))
Level: hard