Judging by your resume, you appear to be overqualified for this position. What would keep you here, if you were offered the position?

"I do have more years' experience than what you have outlined in your job posting; however, there are aspects of this position that would be new and exciting for me as well. For example, I would enjoy the exposure to more public accounting and government-related accounts. Despite my level of experience, there would be much for me to learn here."