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"
### Context: CREATE TABLE table_15739098_1 (episode VARCHAR, story VARCHAR) ### Question: Name the number of episodes for alan nourse ### Answer: SELECT COUNT(episode) FROM table_15739098_1 WHERE story = "Alan Nourse"