The phrase "a question in which" is correct and usable in written English.
It can be used when introducing a specific type of question that involves a particular context or scenario.
Example: "This is a question in which we need to consider the ethical implications of our actions."
Alternatives: "a question that involves" or "a question regarding".
Such a "problem" is, in fact, meta-problematic; it is a question in which the identity of the questioner is an issue.
This is a question in which you, gentle reader, have no vote, however much you may be interested in the consequences".
Although it acknowledges that the future of Kirkuk is an internal issue for Iraq, the military insists that the inclusion of the city into the Kurdish autonomous zone is a question in which it intends to play a part.
It is a question in which every citizen of the nation is deeply interested, and with respect to which we ought not to be, in a partisan sense, either Republicans or Democrats, but fellow-citizens and fellowmen, to whom the interests of a common country and a common humanity are dear.
It's a question in which scientists, too, are keenly interested.
This is a question in which after a half-millennium of religious warfare, the results are really all in.
Miguel Chimukeno, from Angola, rose to ask a question in Portuguese, which another student translated to French, which the French interpreter, Eric Ndayizi, posed to Mr. Alloding.
Similar to app questions, this type of question is a recognition question in which a user is presented with 15 options and is asked to identify the music that he/she played within the last 24 h.
This type of question is a recognition question in which a user is presented with 15 options and asked to identify the applications that he/she used within the last 24 hours.
It is, however, a crucial question in which state the exhaustion takes place.
Consider, for example, a simple question in which you're asked whether you'd like to invest in a stock.
