less { hop { filter_eq { all_rows ; dance ; lyrical jazz } ; week } ; hop { filter_eq { all_rows ; dance ; jive } ; week } } = true
select the rows whose dance record fuzzily matches to lyrical jazz . take the week record of this row . select the rows whose dance record fuzzily matches to jive . take the week record of this row . the first record is less than the second record .