In what year did Tom Sneva win a race?
CREATE TABLE table_1405704_1 (season VARCHAR, winning_driver VARCHAR)
SELECT season FROM table_1405704_1 WHERE winning_driver = "Tom Sneva"
### Context: CREATE TABLE table_1405704_1 (season VARCHAR, winning_driver VARCHAR) ### Question: In what year did Tom Sneva win a race? ### Answer: SELECT season FROM table_1405704_1 WHERE winning_driver = "Tom Sneva"