and { only { filter_eq { all_rows ; result ; 28 - 17 } } ; eq { hop { filter_eq { all_rows ; result ; 28 - 17 } ; date } ; september 9 , 1962 } } = true
select the rows whose result record fuzzily matches to 28  17 . there is only one such row in the table . the date record of this unqiue row is september 9 , 1962 .