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_name_40 (year INTEGER, position VARCHAR, event VARCHAR)
### Question:
Name the sum of year for 2nd position for junior race
### Answer:
SELECT SUM(year) FROM table_name_40 WHERE position = "2nd" AND event = "junior race"