name the tv show whose opening theme is cássia eller and the subsequent work is êta mundo bom ! ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_openingTheme dbr_Cássia_Eller sep_dot var_uri dbo_subsequentWork dbr_Êta_Mundo_Bom! sep_dot var_uri a dbo_TelevisionShow brack_close