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_55 (date VARCHAR, result VARCHAR, battle VARCHAR)
### Question:
What is the Date of the Bulgarian Victory at the Battle of Arcadiopolis?
### Answer:
SELECT date FROM table_name_55 WHERE result = "bulgarian victory" AND battle = "battle of arcadiopolis"