Champion whiskey bar? The one in the Crown (6)
I believe the answer is:
winner
'champion' is the definition.
(I know that champion can be written as winner)
'whiskey bar? the one in the crown' is the wordplay.
'whiskey' becomes 'W' (alpha bravo charlie delta ...).
'bar?' becomes 'inn' (I've seen this in other clues).
'the one in the crown' becomes 'er' (I can't justify this - if you can you should believe this answer much more).
'w'+'inn'+'er'='WINNER'
Can you help me to learn more?
(Other definitions for winner that I've seen before include "One that came first" , "Victor" , "success" , "The champ" , "Conqueror" .)