Table:
0
A
B
C
D
E
1
Celebrity
Famous for
Entered
Exited
Finished
2
Phil Tufnell
Ex- er cricket
Day 1
Day 15
1st
3
John Fashanu
Ex- footballer
Day 1
Day 15
2nd
4
Linda Barker
Changing Rooms designer
Day 1
Day 15
3rd
5
Wayne Sleep
r Dance
Day 1
Day14
4th
6
Antony Worrall Thompson
TV chef
Day 1
Day 13
5th
7
Toyah Willcox
1980s pop star
Day 1
Day 12
6th
8
Catalina Guirado
Model
Day 1
Day 11
7th
9
Chris Bisson
Actor
Day 1
Day 10
8th
10
Danniella Westbrook
Actress (played Sam Mitchell in EastEnders )
Day 1
Day 9
9th

Questions and formulas:
Question: How many people finished 9th?
Formula: ROWS(UNIQUE(FILTER(D1, E1="9th")))
Formula2: ROWS(UNIQUE(FILTER(D2:D10, E2:E10="9th")))
Level: medium