and { only { filter_eq { all_rows ; result ; new seat republican gain } } ; eq { hop { filter_eq { all_rows ; result ; new seat republican gain } ; first elected } ; none ( district created ) } } = true
select the rows whose result record fuzzily matches to new seat republican gain . there is only one such row in the table . the first elected record of this unqiue row is none  district created  .