As a software architect at Model N, you will be relied upon to be the bridge to between the business and technical side of the organization. Your work my be relied upon to work within many silos of the organization. Because of this need, your interviewer is asking you to dig deep inside of yourself and talk about what you feel is your greatest skill to help you do this that is outside of your technical ability. As you prepare for this question, there are many ways that you can answer. No matter how you answer, be sure that your answer relates to your ability to work with other people in some way, shape or form.