Question - Is there anything which makes you different from other candidates?
Answer -
It is good to start with a disclaimer that you are not aware of the strengths of the other candidate. Also, you sure that some impressive candidates apply for this position.
Possible Answer 1
Although, I am not familiar with the others whom you are interviewing for this position. I am sure many talented people applying for the job. But because of my background and the problem-solving skills, I considered myself to be a strong candidate for this position.
Possible Answer 2
I understand that success is not always guaranteed but there is still hope, and I never lose the faith, whether I succeed or not. I think this power makes me stand alone from all other candidates.
Possible Answer 3
I have exceptional organizational skills. In my last job, I created a project which was termed as quite creative by the clients. I think my technical skills make me stand alone from all other candidates.