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_57 (date VARCHAR, result VARCHAR, opponent VARCHAR)
### Question:
When has a Result of l 27-7 and an Opponent of at minnesota vikings?
### Answer:
SELECT date FROM table_name_57 WHERE result = "l 27-7" AND opponent = "at minnesota vikings"