If "the Q" is asked by Elon tonight, how does DJT respond?
You raise an interesting point. "The Q" would have to be phrased correctly. By "the Q", I mean DJT being directly asked about Q/Q intelligence operation (Not "QAnon" as has been asked by the MSM before).
I don't think DJT would have to confirm directly if asked about Q (not QAnon) but he could say something along the lines of "I can't comment on an ongoing operation."
I don't think it's that simple if he's asked specifically about Q/Q intelligence operation. The last time DJT was asked he was asked about "QAnon". If Trump had confirmed the MSM would have had an absolute field day connecting the words of any random Anon (or infiltrator) to the real/legitmate Q posts. If he completely denounced then a lot of Anons would have been deflated/disappointed.
I think Trump could say something along the lines of "I cannot comment on an ongoing/active operation" which would be confirming without confirming.