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_89 (avg VARCHAR, long VARCHAR, yards VARCHAR, player VARCHAR)
### Question:
What is Darrius Heyward-Bey's average with more than 20 yards and less than 80 long?
### Answer:
SELECT COUNT(avg) FROM table_name_89 WHERE yards > 20 AND player = "darrius heyward-bey" AND long < 80