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 (points INTEGER, difference VARCHAR, against VARCHAR)
### Question:
What is the average number of points for a difference of 55 and an against less than 47?
### Answer:
SELECT AVG(points) FROM table_name_99 WHERE difference = "55" AND against < 47