and { only { filter_eq { all_rows ; career win - loss ; 2 - } } ; eq { hop { filter_eq { all_rows ; career win - loss ; 2 - } ; tournament } ; us open } } = true
select the rows whose career win  loss record fuzzily matches to 2  . there is only one such row in the table . the tournament record of this unqiue row is us open .