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_75 (mintage INTEGER, artist VARCHAR)
### Question:
What is the sum of Artist Steve Hepburn's Mintage?
### Answer:
SELECT SUM(mintage) FROM table_name_75 WHERE artist = "steve hepburn"