This question is another version of 'Why should we hire you?' Rather than just sharing how you have gone above and beyond, focus on how your qualities and skills will help you to exceed expectations. If you can, match your strengths to the requirements outlined in the job description.
"I know I will be successful in this role because I have been working in this industry for five years with great training and mentorship. I have a solid understanding of X, Y, and Z (skills listed in the job description). Also, I have all of my updated certifications as outlined in your job description. I am well-prepared for this next step in my career."
"I will be successful in this role because I come prepared with experience, equipped with passion and opportunistic when it comes to making a valuable contribution."
"The job description itself seems like I wrote it with me in mind! My skill set and career goals precisely align. I am committed to making a short and long-term impact when it comes to employee development, onboarding new talent, and creating a culture dedicated to positivity and brand loyalty."
"I have been a customer for years, so I understand what your customers want. Couple that knowledge with my experience in sales, and you have a winning candidate! I know how a sales team operates and what they need for support from marketing, to be successful."
"You mentioned earlier that it had been a constant challenge to find reliable staff. I am well qualified, enthusiastic, and this has been my dream company for as long as I can remember. I know that I want it more than anyone else and you will not be disappointed in my work ethic."
"I am confident I will be successful in this role because of the continued successes I've demonstrated over my career in sales. I have consistently exceeded sales metrics, exhibited leadership qualities, and been a team player. Not to mention, I have always taken on more responsibility and looked for the next challenge without being prompted."
"I am a dedicated teacher who also brings the experience and interest in leading the extracurricular activities of our students. I know this interest is significant to you when filling this role. In my current teaching role, I also act as a moderator for the debate club, and took our girls' soccer team to Nationals!"