which television show is the subsequent work of the city and the opening theme is unwritten ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_subsequentWork dbr_The_City_ attr_open 2008_TV_series attr_close sep_dot var_uri dbo_openingTheme dbr_Unwritten_ attr_open song attr_close sep_dot var_uri a dbo_TelevisionShow brack_close