As told by a drunken sot on the railway? (5)

I believe the answer is:

story

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'as told by a' is the definition.
I can't judge whether this defines the answer.

'drunken sot on the railway?' is the wordplay.
'drunken' indicates an anagram.
'on' says to put letters next to each other.
'the railway?' becomes 'ry' (abbreviation).
'sot' is an anagram of 'sto'.
'sto'+'ry'='STORY'

Can you help me to learn more?

(Other definitions for story that I've seen before include "Narration" , "Anecdote" , "See 10 and 19" , "Rumour" , "Narrative or account" .)

I've seen this clue in the Evening Standard.

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