What drew you to apply for this particular job? Was it the client's positive reputation in the community? Was it the type of tasks associated with the job? Are there good benefits offered with the position? Does the role offer more flexibility than other positions? The interviewer wants to hear that you are passionate about some component of the position, and your passion will automatically come through when explaining what drew you to apply for this particular opportunity.
"Answer example, "I admire the work you are doing and am confident I can contribute real value to maintaining effectiveness in how you operate. I'm a quick learner, adaptable to meet changing priorities and needs, and excited to contribute this level of enthusiasm to your team."