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_name_53 (averaging_time VARCHAR, regulatory_citation VARCHAR)
### Question:
what is the averaging time when the regulatory citation is 40 cfr 50.4(b)?
### Answer:
SELECT averaging_time FROM table_name_53 WHERE regulatory_citation = "40 cfr 50.4(b)"