London columnist (6)

I believe the answer is:

nelson

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'london columnist' is the definition.
The definition suggests a singular noun which matches the answer.

This is all the clue.

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(Other definitions for nelson that I've seen before include "Admiral on a column" , "Emma Hamilton's lover, who died in battle on 21 October 1805" , "Trafalgar victor" , "English naval commander - wrestling hold" , "Admiral (who had the touch)" .)

I've seen this clue in The Irish Independent and The Guardian.

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