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_1876825_6 (original_air_date VARCHAR, production_code VARCHAR)
### Question:
What was the original air for the 06-03-521 production code?
### Answer:
SELECT original_air_date FROM table_1876825_6 WHERE production_code = "06-03-521"