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_7 (avg VARCHAR, long VARCHAR)
### Question:
What is the average for the RB with an 8 yard long?
### Answer:
SELECT COUNT(avg) FROM table_name_7 WHERE long = 8