Crossword Genius

Question the method (3)

Ross

I believe the answer is:

how

I believe this is a double definition.

'question' is the first definition.
(how is a question word)

'method' is the second definition.
(I've seen this in another clue)

'the' is the link.

(Other definitions for how that I've seen before include "See 16" , "In what way?" , "By what means?" , "In what manner or method?" , "Who (anag.)" .)

I've seen this clue in The Mirror.
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