A, B, C, D, P, Q, and R are sitting around a circular table, facing the centre…

A, B, C, D, P, Q, and R are sitting around a circular table, facing the centre (not necessarily in the same order). Only D sits between B and C when counted from the left of B. P sits fourth to the right of D.R is an immediate neighbour of both P and C.Q is not an immediate neighbour of P.

How many people are sitting between D and A when counted from the left of A?