and { only { filter_eq { all_rows ; host ; hopton - on - sea } } ; eq { hop { filter_eq { all_rows ; host ; hopton - on - sea } ; season } ; 1998 / 99 } } = true
select the rows whose host record fuzzily matches to hopton  on  sea . there is only one such row in the table . the season record of this unqiue row is 1998  99 .