Table:
0
A
B
C
D
E
F
G
H
I
1
Result
Date
Race
Venue
Group
Distance
Weight (kg)
Jockey
Winner/2nd
2
2nd
30 Aug 2008
McNeil Stakes
Caulfield
G3
1200 m
55
M. Rodd
1st - Sugar Babe
3
7th
20 Sep 2008
Guineas Prelude
Caulfield
G3
1400 m
54
M. Rodd
1st - Fernandina
4
Won
26 Sep 2008
Bill Stutt Stakes
Moonee Valley
G2
1600 m
55.5
M. Rodd
2nd - All American
5
Won
11 Oct 2008
Caulfield Guineas
Caulfield
G1
1600 m
55.5
M. Rodd
2nd - Time Thief
6
Won
25 Oct 2008
AAMI Vase
Moonee Valley
G2
2040 m
55.5
M. Rodd
2nd - Buffett
7
2nd
01 Nov 2008
Victoria Derby
Flemington
G1
2500 m
55.5
M. Rodd
1st - Rebel Raider
8
2nd
07 Mar 2009
Food and Wine Stakes
Flemington
LR
1400 m
58.5
D. Oliver
1st - Rockpecker
9
2nd
21 Mar 2009
Phar Lap Stakes
Rosehill
G2
1500 m
56.5
M. Rodd
1st - Heart of Dreams
10
9th
04 Apr 2009
George Ryder Stakes
Rosehill
G1
1500 m
56.5
M. Rodd
1st - Vision and Power
11
3rd
18 Apr 2009
Doncaster Handicap
Randwick
G1
1600 m
54.5
M. Rodd
1st - Vision and Power

Questions and formulas:
Question: List the rider for the doncaster handicap compeition.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,C1="Doncaster Handicap"),8))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I11,C2:C11="Doncaster Handicap"),8))
Level: medium