Name the top five titles that sold more than average and list them in descending order of the number of sales in California stores?
qty is abbreviation for quantity; sold more than average refers to qty > AVG(qty); california refers to state = 'CA"
SELECT T1.title FROM titles AS T1 INNER JOIN sales AS T2 ON T1.title_id = T2.title_id INNER JOIN publishers AS T3 ON T1.pub_id = T3.pub_id WHERE T2.qty > ( SELECT CAST(SUM(qty) AS REAL) / COUNT(title_id) FROM sales ) AND T3.state = 'CA' ORDER BY T2.qty DESC LIMIT 5