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_74 (year INTEGER, location VARCHAR, result VARCHAR)
### Question:
what is the year when the location is yankee stadium and the result is 23-23
### Answer:
SELECT AVG(year) FROM table_name_74 WHERE location = "yankee stadium" AND result = "23-23"