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_24649082_1 (original_air_date VARCHAR, written_by VARCHAR)
### Question:
How many original air dates for the episode written by David H. Goodman & Andrew Kreisberg?
### Answer:
SELECT COUNT(original_air_date) FROM table_24649082_1 WHERE written_by = "David H. Goodman & Andrew Kreisberg"