Task: Text to Code
Input (English): SQL: SELECT Avg ( T1.Maker ) FROM model_list AS T1 JOIN car_names AS T2 ON T1.Model = T2.Model JOIN cars_data AS T3 ON T2.MakeId = T3.Id WHERE T3.Year < 1980
Feedback: Exchange maker with horsepower in step 2.
Output (English): SELECT avg(horsepower) FROM CARS_DATA WHERE YEAR  <  1980