What is the surface for the riverhead raceway?
CREATE TABLE table_name_84 (surface VARCHAR, track VARCHAR)
SELECT surface FROM table_name_84 WHERE track = "riverhead raceway"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_84 (surface VARCHAR, track VARCHAR) Question: What is the surface for the riverhead raceway? [/INST] SELECT surface FROM table_name_84 WHERE track = "riverhead raceway" </s>