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_84 (format VARCHAR, region VARCHAR, date VARCHAR)
### Question:
What is the format for the United States dated July 23, 2002?
### Answer:
SELECT format FROM table_name_84 WHERE region = "united states" AND date = "july 23, 2002"