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_78 (tournament VARCHAR, surface VARCHAR, date VARCHAR)
### Question:
Which tournament has hard as the surface and apr. 12, 1998 as the date?
### Answer:
SELECT tournament FROM table_name_78 WHERE surface = "hard" AND date = "apr. 12, 1998"