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 | Result | Attendance |
| --- | --- | --- | --- | --- |
| 1.0 | September 7, 1980 | Denver Broncos | W 27–6 | 70307.0 |
| 2.0 | September 14, 1980 | at Minnesota Vikings | W 42–7 | 46460.0 |
| 3.0 | September 22, 1980 | New York Giants | W 35–3 | 70767.0 |
| 4.0 | September 28, 1980 | at St. Louis Cardinals | L 24–14 | 49079.0 |
| 5.0 | October 5, 1980 | Washington Redskins | W 24–14 | 69044.0 |
| 6.0 | October 12, 1980 | at New York Giants | W 31–16 | 71051.0 |
| 7.0 | October 19, 1980 | Dallas Cowboys | W 17–10 | 70696.0 |
| 8.0 | October 26, 1980 | Chicago Bears | W 17–14 | 68752.0 |
| 9.0 | November 2, 1980 | at Seattle Seahawks | W 27–20 | 61047.0 |
| 10.0 | November 9, 1980 | at New Orleans Saints | W 34–21 | 44340.0 |
| 11.0 | November 16, 1980 | at Washington Redskins | W 24–0 | 51897.0 |
| 12.0 | November 23, 1980 | Oakland Raiders | W 10–7 | 68535.0 |
| 13.0 | November 30, 1980 | at San Diego Chargers | L 22–21 | 51567.0 |
| 14.0 | December 7, 1980 | Atlanta Falcons | L 20–17 | 70205.0 |
| 15.0 | December 14, 1980 | St. Louis Cardinals | W 17–3 | 68969.0 |
| 16.0 | December 21, 1980 | at Dallas Cowboys | L 35–27 | 62548.0 |
Question:
What was the attendance at the game where the opponent was the denver broncos?
Answer:
70307.0