How many rounds did satrio hermanto go with an opc-challenge engine?
CREATE TABLE table_name_84 (rounds VARCHAR, engine VARCHAR, driver VARCHAR)
SELECT rounds FROM table_name_84 WHERE engine = "opc-challenge" AND driver = "satrio hermanto"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_84 (rounds VARCHAR, engine VARCHAR, driver VARCHAR) Question: How many rounds did satrio hermanto go with an opc-challenge engine? [/INST] SELECT rounds FROM table_name_84 WHERE engine = "opc-challenge" AND driver = "satrio hermanto" </s>