You can't find the answer without first asking the question.
Academic Medicine recently published an infographic to guide you through the steps of generating a good research question. The infographic presents the steps for developing a research question along with examples, and also presents the FINER criterion which can be used to 'test' research questions.
Dine, C. J., Shea, J. A., & Kogan, J. R. (2016). Generating Good Research Questions in Health Professions Education. Academic Medicine, 91(12), e8.
