Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Week | Date | Opponent | Location | Time ( ET ) | TV | Result | Record |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Sun. Sep. 10 | Cleveland Browns | Three Rivers Stadium | 4:00pm | NBC | L 51–0 | 0–1 |
| 2.0 | Sun. Sep. 17 | at Cincinnati Bengals | Riverfront Stadium | 1:00pm | NBC | L 41–10 | 0–2 |
| 3.0 | Sun. Sep. 24 | Minnesota Vikings | Three Rivers Stadium | 1:00pm | CBS | W 27–14 | 1–2 |
| 4.0 | Sun. Oct. 1 | at Detroit Lions | Pontiac Silverdome | 1:00pm | NBC | W 23–3 | 2–2 |
| 5.0 | Sun. Oct. 8 | Cincinnati Bengals | Three Rivers Stadium | 1:00pm | NBC | L 26–16 | 2–3 |
| 6.0 | Sun. Oct. 15 | at Cleveland Browns | Cleveland Municipal Stadium | 4:00pm | NBC | W 17–7 | 3–3 |
| 7.0 | Sun. Oct. 22 | at Houston Oilers | Astrodome | 1:00pm | NBC | L 27–0 | 3–4 |
| 8.0 | Sun. Oct. 29 | Kansas City Chiefs | Three Rivers Stadium | 1:00pm | NBC | W 23–17 | 4–4 |
| 9.0 | Sun. Nov. 5 | at Denver Broncos | Mile High Stadium | 4:00pm | NBC | L 34–7 | 4–5 |
| 10.0 | Sun. Nov. 12 | Chicago Bears | Three Rivers Stadium | 1:00pm | CBS | L 20–0 | 4–6 |
| 11.0 | Sun. Nov. 19 | San Diego Chargers | Three Rivers Stadium | 1:00pm | NBC | W 20–17 | 5–6 |
| 12.0 | Sun. Nov. 26 | at Miami Dolphins | Joe Robbie Stadium | 1:00pm | NBC | W 34–14 | 6–6 |
| 13.0 | Sun. Dec. 3 | Houston Oilers | Three Rivers Stadium | 1:00pm | NBC | L 23–16 | 6–7 |
| 14.0 | Sun. Dec. 10 | at New York Jets | Giants Stadium | 1:00pm | NBC | W 13–0 | 7–7 |
| 15.0 | Sun. Dec. 17 | New England Patriots | Three Rivers Stadium | 1:00pm | NBC | W 28–10 | 8–7 |
Question:
Who was the opposing team played at Riverfront Stadium?
Answer:
at Cincinnati Bengals