Who was the constructor of the car that Jan Lammers made 7-14 rounds in?
CREATE TABLE table_name_25 (constructor VARCHAR, driver VARCHAR, rounds VARCHAR)
SELECT constructor FROM table_name_25 WHERE driver = "jan lammers" AND rounds = "7-14"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_25 (constructor VARCHAR, driver VARCHAR, rounds VARCHAR) Question: Who was the constructor of the car that Jan Lammers made 7-14 rounds in? [/INST] SELECT constructor FROM table_name_25 WHERE driver = "jan lammers" AND rounds = "7-14" </s>