What is the constructor of the driver Heinz-Harald Frentzen?
CREATE TABLE table_name_50 (constructor VARCHAR, driver VARCHAR)
SELECT constructor FROM table_name_50 WHERE driver = "heinz-harald frentzen"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_50 (constructor VARCHAR, driver VARCHAR) Question: What is the constructor of the driver Heinz-Harald Frentzen? [/INST] SELECT constructor FROM table_name_50 WHERE driver = "heinz-harald frentzen" </s>