greater { hop { filter_eq { all_rows ; ethnic group ; tigrigna } ; christians } ; hop { filter_eq { all_rows ; ethnic group ; saho } ; christians } } = true
select the rows whose ethnic group record fuzzily matches to tigrigna . take the christians record of this row . select the rows whose ethnic group record fuzzily matches to saho . take the christians record of this row . the first record is greater than the second record .