less { hop { filter_eq { all_rows ; ch 1 ; 59 ( uhf ) } ; on - air date } ; hop { filter_eq { all_rows ; ch 1 ; 32 ( uhf ) } ; on - air date } } = true
select the rows whose ch 1 record fuzzily matches to 59  uhf  . take the on  air date record of this row . select the rows whose ch 1 record fuzzily matches to 32  uhf  . take the on  air date record of this row . the first record is less than the second record .