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"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who was the constructor of the car that Jan Lammers made 7-14 rounds in? ### Input: CREATE TABLE table_name_25 (
    constructor VARCHAR,
    driver VARCHAR,
    rounds VARCHAR
) ### Response: SELECT constructor FROM table_name_25 WHERE driver = "jan lammers" AND rounds = "7-14"