Task: Text to Code
Input (English): SQL: SELECT Avg ( Horsepower ) FROM cars_data WHERE Year = "volvo"
Feedback: replace average horsepower with average of edispl and use car names's model.
Output (English): SELECT avg(T2.edispl) FROM CAR_NAMES AS T1 JOIN CARS_DATA AS T2 ON T1.MakeId  =  T2.Id WHERE T1.Model  =  'volvo'