name the television show whose subsequent work is liberdade and opening theme is angel ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_subsequentWork dbr_Liberdade,_Liberdade sep_dot var_uri dbo_openingTheme dbr_Angel_ attr_open Massive_Attack_song attr_close sep_dot var_uri a dbo_TelevisionShow brack_close