Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE cars_data (horsepower INTEGER, year INTEGER)
### Question:
What is the average horsepower for all cars produced before 1980 ?
### Answer:
SELECT AVG(horsepower) FROM cars_data WHERE year < 1980