From Longman Dictionary of Contemporary Englishit’s just/only/simply a question of doing somethingit’s just/only/simply a question of doing somethingspokenEASY used to say that what needs doing is easy or not complicated It’s just a question of putting in a couple of screws. → question
Examples from the Corpus
it’s just/only/simply a question of doing something• Sometimes, it's simply a question of somewhere safe to go after school while parents are working.