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_28 (silver VARCHAR, bronze VARCHAR, sport VARCHAR)
### Question:
When volleyball has 2 bronze, what is the total number of silver?
### Answer:
SELECT COUNT(silver) FROM table_name_28 WHERE bronze = 2 AND sport = "volleyball"