and { only { filter_less { all_rows ; us viewers ( in millions ) ; 8 } } ; eq { hop { filter_less { all_rows ; us viewers ( in millions ) ; 8 } ; no by series } ; 6 } } = true
select the rows whose us viewers  in millions  record is less than 8 . there is only one such row in the table . the no by series record of this unqiue row is 6 .