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_99 (week INTEGER, result VARCHAR, attendance VARCHAR)
### Question:
Tell me the week for result of l 31-27, and an Attendance smaller than 85,865
### Answer:
SELECT AVG(week) FROM table_name_99 WHERE result = "l 31-27" AND attendance < 85 OFFSET 865