Provide an overview of your professional experience while putting emphasis on your accounting experience as per the advertised position, proving you indeed have the qualifications required for this position.
Review the job description before your interview and answer this question by selecting some of the main duties on the posting and telling the interviewer you have performed these duties in the past, when and how.
"I pursued a Bachelor's degree in Accounting at UCLA and upon graduation I worked as an Accounting Intern for [X company] where I was responsible for [X accounting duties ]. Since this internship, I have gained considerable accounting experience working for [X company] where I managed [X accounting duties] and for [X company] where I was responsible for [X accounting duties]. These are some of the reasons I believe I am a perfect fit for your position."