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_84 ( rank INTEGER, silver VARCHAR, bronze VARCHAR, country VARCHAR )

### Question ###
What was the sum of the ranks for Japan who had less than 5 bronze medals and more than 3 silvers?

### Accurate SQL ###

SELECT SUM(rank) FROM table_name_84 WHERE bronze < 5 AND country = "japan" AND silver > 3