Which student is immediate taller than G?

Question

Answer the questions based on the information given below. In a class, there are seven students i.e., G, R, C, Y, Q, N and Z of different heights. G is taller than N. At least three students are taller than the G. R is taller than G but shorter than Y. Q student is immediate taller than the N, who is not the shortest. R is not the third tallest. C is not shorter than Q.