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_86 (lost INTEGER, against INTEGER)
### Question:
What is the average number lost when the against value is less than 5?
### Answer:
SELECT AVG(lost) FROM table_name_86 WHERE against < 5