So get me a single: I don’t care which of you! (7)

I believe the answer is:

someone

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'single i don't care which of you' is the definition.
'someone' can be an answer for 'single' (thesaurus). I am not sure about the remainder of the definition.

'so get me a' is the wordplay.
'get' says to put letters next to each other.
'a' becomes 'one'.
'so'+'me'+'one'='SOMEONE'

Can you help me to learn more?

(Other definitions for someone that I've seen before include "A person (maybe of importance)" , "Celebrity" , "individual" , "Unspecified person" , "big cheese" .)

I've seen this clue in the Evening Standard.

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