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_18 (gold INTEGER, total VARCHAR, bronze VARCHAR)
### Question:
What is the sum of the golds of the nation with 5 total and less than 0 bronze medals?
### Answer:
SELECT SUM(gold) FROM table_name_18 WHERE total = 5 AND bronze < 0