Task: Text to Code
Input (English): SQL: SELECT Max ( T3.Horsepower ) 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 T1.Model = "amc" OR T3.Year < 1
Feedback: Change horsepower with mpg , model list's model with cylinders equals 8 and ensure year less than 1980.
Output (English): SELECT mpg FROM CARS_DATA WHERE Cylinders  =  8 OR YEAR  <  1980 ORDER BY mpg DESC LIMIT 1