How many grids for heinz-harald frentzen with 61 laps?
CREATE TABLE table_name_12 (
    grid VARCHAR,
    laps VARCHAR,
    driver VARCHAR
)
SELECT COUNT(grid) FROM table_name_12 WHERE laps = 61 AND driver = "heinz-harald frentzen"
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: How many grids for heinz-harald frentzen with 61 laps? ### Input: CREATE TABLE table_name_12 (
    grid VARCHAR,
    laps VARCHAR,
    driver VARCHAR
) ### Response: SELECT COUNT(grid) FROM table_name_12 WHERE laps = 61 AND driver = "heinz-harald frentzen"