less { hop { filter_eq { all_rows ; overall pick ; 9 } ; overall pick } ; hop { filter_eq { all_rows ; overall pick ; 18 } ; overall pick } } = true
select the rows whose overall pick record fuzzily matches to 9 . take the overall pick record of this row . select the rows whose overall pick record fuzzily matches to 18 . take the overall pick record of this row . the first record is less than the second record .