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, length VARCHAR)
### Question:
In what Year is the length of the Song 7:42?
### Answer:
SELECT AVG(year) FROM table_name_40 WHERE length = "7:42"