for whom did 2008 under 17 gulf cup of nations palyed for which is also had a former student named abdulrahman bin musa'ad ?
SELECT DISTINCT var_uri where brack_open dbr_2008_Under_17_Gulf_Cup_of_Nations dbp_team var_uri sep_dot dbr_Abdulrahman_bin_Musa'ad dbp_education var_uri brack_close