what is the least laps when the driver is rolf stommelen and the grid is more than 18?
CREATE TABLE table_name_99 (
    laps INTEGER,
    driver VARCHAR,
    grid VARCHAR
)
SELECT MIN(laps) FROM table_name_99 WHERE driver = "rolf stommelen" AND grid > 18
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: what is the least laps when the driver is rolf stommelen and the grid is more than 18? ### Input: CREATE TABLE table_name_99 (
    laps INTEGER,
    driver VARCHAR,
    grid VARCHAR
) ### Response: SELECT MIN(laps) FROM table_name_99 WHERE driver = "rolf stommelen" AND grid > 18