less { hop { filter_eq { all_rows ; performer ; kaliopi } ; rank } ; hop { filter_eq { all_rows ; performer ; marjan necak } ; rank } } = true
select the rows whose performer record fuzzily matches to kaliopi . take the rank record of this row . select the rows whose performer record fuzzily matches to marjan necak . take the rank record of this row . the first record is less than the second record .