What year was the average speed 145.24
CREATE TABLE table_1963459_2 (year INTEGER, average_speed__mph_ VARCHAR)
SELECT MAX(year) FROM table_1963459_2 WHERE average_speed__mph_ = "145.24"
### 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"