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_75 (week INTEGER, attendance INTEGER)
### Question:
What is the average week number of all the matches where less than 22,604 people attended?
### Answer:
SELECT AVG(week) FROM table_name_75 WHERE attendance < 22 OFFSET 604