and { only { filter_eq { all_rows ; chassis ; williams fw04 } } ; and { eq { hop { filter_eq { all_rows ; chassis ; williams fw04 } ; year } ; 1975 } ; eq { hop { filter_eq { all_rows ; chassis ; williams fw04 } ; entrant } ; frank williams racing cars } } } = true
select the rows whose chassis record fuzzily matches to williams fw04 . there is only one such row in the table . the year record of this unqiue row is 1975 . the entrant record of this unqiue row is frank williams racing cars .