Count on Steffi! (4)

I believe the answer is:

graf

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'count' is the definition.
(German aristocratic title equivalent to count)

I don't understand the remainder of the clue.

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(Other definitions for graf that I've seen before include "German count - German tennis player" , "Steffi --, tennis player" , "Seven-times women's Wimbledon champion, b. 1969" , "Steffi --, tennis champion" , "German tennis player, b. 1969" .)

I've seen this clue in the Evening Standard.

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