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 (attendance INTEGER, result VARCHAR)
### Question:
What was the highest attendance of games that resulted in L 23-20?
### Answer:
SELECT MAX(attendance) FROM table_name_64 WHERE result = "l 23-20"