Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
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?
### Answer:
SELECT constructor FROM table_name_25 WHERE driver = "jan lammers" AND rounds = "7-14"