Girl's name hidden in answers to some extent (4)

I believe the answer is:

nina

'girl's name' is the definition.

'hidden in answers to some extent' is the wordplay.
'to some extent' indicates a hidden word.
'NINA' can be found hidden inside 'hidden in answers'.

(Other definitions for nina that I've seen before include "- Simone, US singer" , "- - Simone, 1933-2003, singer" , "One of Columbus's ships in 1492; girl's name" , "Girl" , "hidden crossword message" .)

I've seen this clue in The Independent.

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