For the USAC National Championship, what is the Discipline?
CREATE TABLE table_name_31 (discipline VARCHAR, championship VARCHAR)
SELECT discipline FROM table_name_31 WHERE championship = "usac national championship"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_31 (discipline VARCHAR, championship VARCHAR) Question: For the USAC National Championship, what is the Discipline? [/INST] SELECT discipline FROM table_name_31 WHERE championship = "usac national championship" </s>