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_12 ( silver VARCHAR, republic VARCHAR, total VARCHAR )

### Question ###
Can you tell me total number of Silver that has the Republic of latvian ssr, and the Total larger than 6?

### Accurate SQL ###

SELECT COUNT(silver) FROM table_name_12 WHERE republic = "latvian ssr" AND total > 6