greater { hop { filter_eq { all_rows ; artist ; mariana popova } ; televote / sms } ; hop { filter_eq { all_rows ; artist ; stefan dobrev } ; televote / sms } } = true
select the rows whose artist record fuzzily matches to mariana popova . take the televote  sms record of this row . select the rows whose artist record fuzzily matches to stefan dobrev . take the televote  sms record of this row . the first record is greater than the second record .