How many numbers have sp of 20/1 and a finishing position of fence 19?
CREATE TABLE table_19624708_1 (
    number VARCHAR,
    sp VARCHAR,
    finishing_position VARCHAR
)
SELECT COUNT(number) FROM table_19624708_1 WHERE sp = "20/1" AND finishing_position = "Fence 19"
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 numbers have sp of 20/1 and a finishing position of fence 19? ### Input: CREATE TABLE table_19624708_1 (
    number VARCHAR,
    sp VARCHAR,
    finishing_position VARCHAR
) ### Response: SELECT COUNT(number) FROM table_19624708_1 WHERE sp = "20/1" AND finishing_position = "Fence 19"