Table:
0
A
B
C
D
E
1
Player
Lost
Drawn
Ties
Matches
2
Colin Cowdrey
61
104
0
247
3
Lionel Troughton
30
35
0
145
4
Ted Dillon
17
20
0
104
5
Bryan Valentine
39
33
0
131
6
C. H. B. Marsham
29
23
0
112
7
Last updated: 16 December 2009.
Last updated: 16 December 2009.
Last updated: 16 December 2009.
Last updated: 16 December 2009.
Last updated: 16 December 2009.

Questions and formulas:
Question: How many ties drawed at 20?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1=20),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7=20),4))
Level: medium