and { only { filter_eq { filter_eq { all_rows ; seasons at this level ; 27 seasons } ; settlements ; porto } } ; eq { hop { filter_eq { filter_eq { all_rows ; seasons at this level ; 27 seasons } ; settlements ; porto } ; clubs } ; porto } } = true
select the rows whose seasons at this level record fuzzily matches to 27 seasons . among these rows , select the rows whose settlements record fuzzily matches to porto . there is only one such row in the table . the clubs record of this unqiue row is porto .