Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_19517621_3 (directed_by VARCHAR, title VARCHAR)
### Question:
If the title if the Lost Boy, how many directors were there?
### Answer:
SELECT COUNT(directed_by) FROM table_19517621_3 WHERE title = "The Lost Boy"