for whom did 2012 davis cup asia/oceania zone group iv palyed for which is also had a former student named abdulrahman bin musa'ad ?
SELECT DISTINCT var_uri where brack_open dbr_2012_Davis_Cup_Asia/Oceania_Zone_Group_IV dbp_team var_uri sep_dot dbr_Abdulrahman_bin_Musa'ad dbp_education var_uri brack_close