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_61 (year INTEGER, competition VARCHAR, event VARCHAR)
### Question:
Competition of u.s championships, and a Event of all around has what average year?
### Answer:
SELECT AVG(year) FROM table_name_61 WHERE competition = "u.s championships" AND event = "all around"