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_57 (silver_medals VARCHAR, gold_medals VARCHAR, total_medals VARCHAR)

### Question ###
How many silvers for a school with 2 golds and over 2 total?

### Accurate SQL ###

SELECT silver_medals FROM table_name_57 WHERE gold_medals = 2 AND total_medals > 2