greater { hop { filter_eq { all_rows ; club ; ud salamanca } ; goal difference } ; hop { filter_eq { all_rows ; club ; cp mérida } ; goal difference } } = true
select the rows whose club record fuzzily matches to ud salamanca . take the goal difference record of this row . select the rows whose club record fuzzily matches to cp mérida . take the goal difference record of this row . the first record is greater than the second record .