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_17 (date VARCHAR, visiting_team VARCHAR, year VARCHAR)
### Question:
What Date after 2007 had the San Francisco 49ers as the Visiting Team?
### Answer:
SELECT date FROM table_name_17 WHERE visiting_team = "san francisco 49ers" AND year > 2007