and { only { filter_eq { all_rows ; 1989 ; 3r } } ; eq { hop { filter_eq { all_rows ; 1989 ; 3r } ; tournament } ; wimbledon } } = true
select the rows whose 1989 record fuzzily matches to 3r . there is only one such row in the table . the tournament record of this unqiue row is wimbledon .