and { only { filter_less { all_rows ; population ( 2010 census ) ; 5000 } } ; eq { hop { filter_less { all_rows ; population ( 2010 census ) ; 5000 } ; district } ; intramuros } } = true
select the rows whose population  2010 census  record is less than 5000 . there is only one such row in the table . the district record of this unqiue row is intramuros .