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_19 (nation VARCHAR, silver VARCHAR, rank VARCHAR, total VARCHAR)

### Question ###
What nation had a rank higher than 4, a total of 2 medals and more than 0 silver medals?

### Accurate SQL ###

SELECT nation FROM table_name_19 WHERE rank > 4 AND total = 2 AND silver > 0