Eight people J, K, L, M, N, O, P and Q are sitting in a straight line. All of them are facing North. J sits fourth from one of the extreme ends of the line. K sits third to the right of J. As many people sit to the right of K as to the left of L. Only one person sits between L and M. N sits to the immediate right of Q. Only one person sits between Q and O. How many people sit to the left of P?