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_1963459_2 (year INTEGER, average_speed__mph_ VARCHAR)
### Question:
What year was the average speed 145.24
### Answer:
SELECT MAX(year) FROM table_1963459_2 WHERE average_speed__mph_ = "145.24"