and { only { filter_eq { all_rows ; margin ; 8 strokes } } ; eq { hop { filter_eq { all_rows ; margin ; 8 strokes } ; championship } ; us women 's open } } = true
select the rows whose margin record fuzzily matches to 8 strokes . there is only one such row in the table . the championship record of this unqiue row is us women s open .