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 (bronze INTEGER, silver VARCHAR, gold VARCHAR)
### Question:
What is the number of bronze that silver is smaller than 1 and gold bigger than 0?
### Answer:
SELECT AVG(bronze) FROM table_name_51 WHERE silver < 1 AND gold > 0