and { only { filter_eq { filter_eq { all_rows ; points ; 6 } ; difference ; -10 } } ; eq { hop { filter_eq { filter_eq { all_rows ; points ; 6 } ; difference ; -10 } ; team } ; amãrica } } = true
select the rows whose points record is equal to 6 . among these rows , select the rows whose difference record is equal to 10 . there is only one such row in the table . the team record of this unqiue row is amãrica .