Crossword Genius

TV Doctor pulled up on his word to supply tips? (3)

Ross

I believe the answer is:

who

I'm a little stuck... Click here to teach me more about this clue!

'tv doctor' is the definition.
(I've seen this in other clues)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for who that I've seen before include "medical experts" , "Which person?" , "The - - , rock legends" , "Time-travelling Doctor" , "Question of identity" .)

I've seen this clue in The Independent.
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