what is the averaging time when the regulatory citation is 40 cfr 50.4(b)?
CREATE TABLE table_name_53 (averaging_time VARCHAR, regulatory_citation VARCHAR)
SELECT averaging_time FROM table_name_53 WHERE regulatory_citation = "40 cfr 50.4(b)"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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)? [/INST] SELECT averaging_time FROM table_name_53 WHERE regulatory_citation = "40 cfr 50.4(b)" </s>