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_20 (highest INTEGER, average VARCHAR, capacity VARCHAR)
### Question:
What's the highest with a capacity of greater than 4,000 and an average of 615?
### Answer:
SELECT MAX(highest) FROM table_name_20 WHERE average = 615 AND capacity > 4 OFFSET 000