The phrase 'a possible question' is correct and usable in written English.
You can use this phrase when you want to indicate that the statement following is a potential question. For example, "A possible question is, 'What would you like to do this evening?'".
Clay Shirky: so a possible question might be to ask her why she thinks those two views are compatible.
The pauses that occurred between notes described a possible question mark about the outcome of this love.
A possible question for a 2016 Republican Party debate is whether the candidates think that nine-year-olds should ever be permitted to fire automatic weapons.
He said the creation of a written constitution - a possible question for the commission he proposed - was "inevitable".
In Section 4.3, I further raise a possible question about the observation concerning the epistemic licensing phenomenon of such attitudes, and strive to give a solution to this question.
In the second instance, revealed Monday, Brazile may have learned of a possible question when she met a woman at a CNN volunteer event in Flint, Michigan, just before the debate.
A Santa must think creatively to answer any possible question a child might have, often reframing the situation in order to avoid lying or coming up empty.
This too is an explanation; but it is an answer to a "how possible" question rather than a "why necessary" question.
Prepare and ask all possible questions.
It answers every possible question a prospective customer could have about our product.
It's surprising because I had assumed medical professionals with decades of experience have fielded every possible question a patient might ask.
