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 table_name_31 (founded INTEGER, years VARCHAR, suburb_town VARCHAR)
### Question:
What is the average year founded that is located in Broken Hill and has school years of k-6?
### Answer:
SELECT AVG(founded) FROM table_name_31 WHERE years = "k-6" AND suburb_town = "broken hill"