Name the number of episodes for alan nourse
CREATE TABLE table_15739098_1 (episode VARCHAR, story VARCHAR)
SELECT COUNT(episode) FROM table_15739098_1 WHERE story = "Alan Nourse"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15739098_1 (episode VARCHAR, story VARCHAR) Question: Name the number of episodes for alan nourse [/INST] SELECT COUNT(episode) FROM table_15739098_1 WHERE story = "Alan Nourse" </s>