Task: Text to Code
Input (English): How many lessons did the customer Ryan Goodwin complete?
Output (English): SELECT count(*) FROM Lessons AS T1 JOIN Customers AS T2 ON T1.customer_id  = T2.customer_id WHERE T2.first_name = "Rylan" AND T2.last_name = "Goodwin" AND T1.lesson_status_code = "Completed"