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_64 (year INTEGER, tournament VARCHAR)
### Question:
What average year has international meeting & national championships as the tournament?
### Answer:
SELECT AVG(year) FROM table_name_64 WHERE tournament = "international meeting & national championships"