What does 'any question' mean?

"Any question" places a strict limit on the number of questions allowable to exactly 1. For example, there was exactly one question as to who wore the pants. However, where the number of questions has not been determined, or is unrestricted, then the plural should be used. For Example:

When do you use “any question” in a sentence?

“Any question” is typically used when the sentence is in the singular form, such as “Do you have any question?” In this case, the noun “question” is singular, and the word “any” emphasizes the openness to receiving any type of question.

What is an example of a 'any question'?

"Any question" places a strict limit on the number of questions allowable to exactly one. For example, there was exactly one question as to who wore the pants. However, where the number of questions has not been determined, or is unrestricted, then the plural should be used. Is there any question that I am correct? I don' think so.