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_81 (gold INTEGER, participants VARCHAR, silver VARCHAR)
### Question:
What is the sum of Gold with Participants that are 4 and a Silver that is smaller than 0?
### Answer:
SELECT SUM(gold) FROM table_name_81 WHERE participants = 4 AND silver < 0