less { hop { filter_eq { all_rows ; venue ; sydney cricket ground } ; date } ; hop { filter_eq { all_rows ; venue ; waca ground } ; date } } = true
select the rows whose venue record fuzzily matches to sydney cricket ground . take the date record of this row . select the rows whose venue record fuzzily matches to waca ground . take the date record of this row . the first record is less than the second record .