Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_50 (silver INTEGER, bronze VARCHAR, gold VARCHAR)
### Question:
How many Silver medals were won in total by all those with more than 3 bronze and exactly 16 gold?
### Answer:
SELECT SUM(silver) FROM table_name_50 WHERE bronze > 3 AND gold = 16