How many f/laps did Pedro Nunes have when he was in 20th position?
CREATE TABLE table_25386974_1 (
    f_laps VARCHAR,
    position VARCHAR
)
SELECT COUNT(f_laps) FROM table_25386974_1 WHERE position = "20th"
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 f/laps did Pedro Nunes have when he was in 20th position? ### Input: CREATE TABLE table_25386974_1 (
    f_laps VARCHAR,
    position VARCHAR
) ### Response: SELECT COUNT(f_laps) FROM table_25386974_1 WHERE position = "20th"