Which tournament has hard as the surface and apr. 12, 1998 as the date?
CREATE TABLE table_name_78 (tournament VARCHAR, surface VARCHAR, date VARCHAR)
SELECT tournament FROM table_name_78 WHERE surface = "hard" AND date = "apr. 12, 1998"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT tournament FROM table_name_78 WHERE surface = "hard" AND date = "apr. 12, 1998" </s>