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_48 (track INTEGER, writer_s_ VARCHAR)
### Question:
Which Track has a Writer(s) of mac davis?
### Answer:
SELECT AVG(track) FROM table_name_48 WHERE writer_s_ = "mac davis"