Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT date FROM table_name_17 WHERE visiting_team = "san francisco 49ers" AND year > 2007