How many candidates are sitting between D and G?

Only two candidates are sitting between Y and S. B sits second to the left of S. Only two persons sits left of Y. ______    ______ Y      B     _______  S             G sits third to the one of the extreme ends of the row. G cannot sit third to the extreme left ends of the row. He must be sitting form the right end. Less than 11 candidates are sitting in the row. G sits immediate right of X. Dsits fifth to the left of X. Only three persons sit between S and P. ______    D   Y      B     _______    S       X     G  _____   P.