The phrase "a different question from" is correct and usable in written English.
It can be used when comparing or contrasting two questions, indicating that one question is not the same as another.
Example: "While that may be an interesting point, it's a different question from what we were discussing earlier."
Alternatives: "a different question than" or "a separate question from".
(That's a different question from who to bet on, of course any answer besides Kentucky is only slightly less foolhardy than buying a Mega Millions ticket).
Whether the rich will move is also a different question from whether raising their taxes is a good long-term policy.
This is a different question from whether people, as consumers of human narratives and enjoyers of literature, can do without them.
(That's a different question from who to bet on, of course — any answer besides Kentucky is only slightly less foolhardy than buying a Mega Millions ticket).
That is a different question from whether safety net programs have done more than the official count shows in restraining its growth.
"Could we elect a Muslim, or a Mormon, or someone from any other minority religion, is a different question from, 'Could we elect Keith Ellison to represent the Fifth Congressional District,' " Mr. Ellison said.
This article asks a different question: far from being too powerful, are elected politicians in modern democracies too weak?When Alexis de Tocqueville visited the United States in the 19th century, he was impressed by the enthusiasm of Americans for joining associations.
A Justice Department lawyer said that law enforcement officials could legally conduct a search based on the tip, but added, "That's a very different question from 'would law enforcement ever open an investigation based on that information?' " Perhaps most troubling, legal experts say, is the havoc that the virus could wreak on the reputation of people with no involvement in child pornography.
[or]... Jeremy Corbyn is doing his job as leader of the Labour Party?" is a very different question from, "Please indicate whether you have a favourable or unfavourable view of each of the following politicians..."....
Results from one research question's search results may be applicable to a different question; therefore, the results from the both searches will be combined (using the Boolean Operator OR) and there will be one final search for each database.
That — survival rates — is a very different question from death rates, many noted.
