How many original air dates for the episode written by David H. Goodman & Andrew Kreisberg?
CREATE TABLE table_24649082_1 (original_air_date VARCHAR, written_by VARCHAR)
SELECT COUNT(original_air_date) FROM table_24649082_1 WHERE written_by = "David H. Goodman & Andrew Kreisberg"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT COUNT(original_air_date) FROM table_24649082_1 WHERE written_by = "David H. Goodman & Andrew Kreisberg" </s>