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_39 (all_time INTEGER, amateur_era INTEGER)
### Question:
What is the sum of All-Time, when Amateur Era is less than 0?
### Answer:
SELECT SUM(all_time) FROM table_name_39 WHERE amateur_era < 0