The position of how many people except L will remain unchanged if they are seated alphabetically in clockwise direction starting from L?

Study the following information carefully and answer the given questions The family consists L, M, N, O, P, Q, R and S was sitting around a circular table facing the centre. Some of the information about their seating arrangement is given. (i) N, one of the sons of R, sits exactly opposite R and is an immediate neighbour of his mother. (ii) N’s sister Q is exactly opposite her husband O and Q is an immediate neighbour of S. (iii) N’s niece. M, sits third to the left of her grandfather. (iv) P, who has no child is a male member while N and M are the only unmarried members of the family. (v) No couple sits together. N’s sister-in-law. S, sits second to the right of her husband