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_1816947_2 (season INTEGER, average_attendance_league VARCHAR)
### Question:
In which season was the average league attendance 2.572?
### Answer:
SELECT MAX(season) FROM table_1816947_2 WHERE average_attendance_league = "2.572"