Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_63 ( Id VARCHAR )

### Question ###
What is the sum of 1891(s), when 1872 is less than 685, and when 1881 is less than 348?

### Accurate SQL ###

SELECT SUM(1891) FROM table_name_63 WHERE 1872 < 685 AND 1881 < 348