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_54 (silver VARCHAR, gold VARCHAR, bronze VARCHAR)
### Question:
How many silver medals were won by the participant(s) that had more than 12 gold medals and 11 bronze medals?
### Answer:
SELECT silver FROM table_name_54 WHERE gold > 12 AND bronze = 11