Switch question implicating a g___ (9)

I believe the answer is:

tanqueray

'g' is the definition.
(tanqueray matches up with the definition g)

'switch question implicating a' is the wordplay.
'switch' becomes 'tan' (I've seen this in another clue).
'question' becomes 'query' (synonyms).
'implicating' is an insertion indicator.
'query' going around 'a' is 'queray'.
'tan'+'queray'='TANQUERAY'

I've seen this clue in the Sydney Morning Herald.

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