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_51 (gold INTEGER, total VARCHAR, bronze VARCHAR)
### Question:
What is the smallest gold value that has a total over 15 and bronze values under 31?
### Answer:
SELECT MIN(gold) FROM table_name_51 WHERE total > 15 AND bronze < 31