name the tv show whose opening theme is malathy lakshman and the subsequent work is shanthi nilayam ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_openingTheme dbr_Malathy_Lakshman sep_dot var_uri dbo_subsequentWork dbr_Shanthi_Nilayam_ attr_open TV_series attr_close sep_dot var_uri a dbo_TelevisionShow brack_close