Task: Text to Code
Input (English): SQL: SELECT Edispl FROM cars_data ORDER BY Weight Desc LIMIT 1
Feedback: I want model, car names table and mpg.
Output (English): SELECT T1.Model FROM CAR_NAMES AS T1 JOIN CARS_DATA AS T2 ON T1.MakeId  =  T2.Id ORDER BY T2.mpg DESC LIMIT 1