and { only { filter_greater { all_rows ; lead ; 25 % } } ; eq { hop { filter_greater { all_rows ; lead ; 25 % } ; date released } ; july 19 , 1987 } } = true
select the rows whose lead record is greater than 25  . there is only one such row in the table . the date released record of this unqiue row is july 19 , 1987 .