Tell me the week for result of l 31-27, and an Attendance smaller than 85,865
CREATE TABLE table_name_99 (
    week INTEGER,
    result VARCHAR,
    attendance VARCHAR
)
SELECT AVG(week) FROM table_name_99 WHERE result = "l 31-27" AND attendance < 85 OFFSET 865
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Tell me the week for result of l 31-27, and an Attendance smaller than 85,865 ### Input: CREATE TABLE table_name_99 (
    week INTEGER,
    result VARCHAR,
    attendance VARCHAR
) ### Response: SELECT AVG(week) FROM table_name_99 WHERE result = "l 31-27" AND attendance < 85 OFFSET 865