and { only { filter_greater { all_rows ; goalsagainst ; 300 } } ; eq { hop { filter_greater { all_rows ; goalsagainst ; 300 } ; season } ; 1997 - 98 } } = true
select the rows whose goalsagainst record is greater than 300 . there is only one such row in the table . the season record of this unqiue row is 1997  98 .