and { only { filter_eq { all_rows ; location ; seoul , south korea } } ; eq { hop { filter_eq { all_rows ; location ; seoul , south korea } ; event } ; hero 's 2005 in seoul } } = true
select the rows whose location record fuzzily matches to seoul , south korea . there is only one such row in the table . the event record of this unqiue row is hero s 2005 in seoul .