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_14563349_11 (opponent VARCHAR, location VARCHAR)

### Question ###
Who was the opposing team played at Riverfront Stadium?

### Accurate SQL ###

SELECT opponent FROM table_14563349_11 WHERE location = "Riverfront Stadium"