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_70 (silver INTEGER, gold VARCHAR, total VARCHAR, bronze VARCHAR)

### Question ###
What's the sum of Silver with total smaller than 560, a Bronze larger than 6, and a Gold of 3?

### Accurate SQL ###

SELECT SUM(silver) FROM table_name_70 WHERE total < 560 AND bronze > 6 AND gold = 3