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_97 (date VARCHAR, location VARCHAR, result VARCHAR)
### Question:
What was the date of the game played at Gillette Stadium with a score of 40-21?
### Answer:
SELECT date FROM table_name_97 WHERE location = "gillette stadium" AND result = "40-21"