and { only { filter_eq { all_rows ; opponent ; oakland raiders } } ; eq { hop { filter_eq { all_rows ; opponent ; oakland raiders } ; date } ; october 6 , 1968 } } = true
select the rows whose opponent record fuzzily matches to oakland raiders . there is only one such row in the table . the date record of this unqiue row is october 6 , 1968 .