The phrase "a real question of" is correct and usable in written English.
It can be used when discussing a matter that is genuinely in question or under consideration, often implying a deeper or more significant issue.
Example: "This is not just a trivial matter; it's a real question of ethics in our decision-making process."
Alternatives: "a genuine issue of" or "a serious matter of".
It needs to be looked at and there's a real question of how they are set.
But there's a real question of what is--what am I going to do at all at a large scale?
"There was a real question of quality in the past, but I don't think it exists anymore," Yaagoubi said.
But there is a real question of whether the United States, or anyone else, can manage the explosion that many here think may be coming.
It sounds like a great deal (considering a CD at a store costs $9.99 or more), but there's a real question of how many of the 175,000 songs you'd care to own.
Democrats say that Ms. Halligan was acting in her official capacity representing the State of New York, not as a jurist, and that Republicans have abandoned the "extraordinary circumstances" test engineered by the Gang of 14. "If you go back to that history of what occurred back then, there is a real question of whether they have broken the deal now," Mr. Udall said.
"There's a real question on the minds of many Republicans now," Hatch said.
With this moratorium, there is a real question now of whether any of the myriad GE vegetable and grain varieties Monsanto is creating for India can ever make it to the market.
Yet there is a real question here of whether the decision to enact the terms of Gurlitt's will was taken on mainly legal grounds.
But as memories of World War II fade, there is a real question, Eichengreen said, of whether or not the impulse to share national sovereignty and deepen the process of European integration will be felt as powerfully as before.
There's a real question around the legality of offering tokens of equity to individuals.
