and { only { filter_eq { filter_eq { all_rows ; constructor ; cooper - climax } ; circuit ; goodwood } } ; eq { hop { filter_eq { filter_eq { all_rows ; constructor ; cooper - climax } ; circuit ; goodwood } ; date } ; 30 march } } = true
select the rows whose constructor record fuzzily matches to cooper  climax . among these rows , select the rows whose circuit record fuzzily matches to goodwood . there is only one such row in the table . the date record of this unqiue row is 30 march .