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 INTEGER, rank VARCHAR, bronze VARCHAR)
### Question:
What is the average silver medals a team ranked 12 with less than 2 bronze has?
### Answer:
SELECT AVG(silver) FROM table_name_28 WHERE rank = 12 AND bronze < 2