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_15847691_2 (points_against INTEGER, attendance VARCHAR)
### Question:
What is the maximum number of points against when the attendance was 47678?
### Answer:
SELECT MAX(points_against) FROM table_15847691_2 WHERE attendance = 47678