less { hop { filter_eq { all_rows ; born ; 30 november 1874 } ; left house } ; hop { filter_eq { all_rows ; born ; 16 january 1905 } ; left house } } = true
select the rows whose born record fuzzily matches to 30 november 1874 . take the left house record of this row . select the rows whose born record fuzzily matches to 16 january 1905 . take the left house record of this row . the first record is less than the second record .