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 | Result | Record | Opponent | Points For | Points Against | First Downs | Attendance |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | September 19 | Win | 1–0 | at Buffalo Bills | 49.0 | 37.0 | 19.0 | 46206.0 |
| 2.0 | September 26 | Win | 2–0 | at Philadelphia Eagles | 42.0 | 7.0 | 23.0 | 65358.0 |
| 3.0 | October 3 | Loss | 2–1 | Washington Redskins | 16.0 | 20.0 | 20.0 | 61554.0 |
| 4.0 | October 11 | Win | 3–1 | New York Giants | 20.0 | 13.0 | 21.0 | 68378.0 |
| 5.0 | October 17 | Loss | 3–2 | at New Orleans Saints | 14.0 | 24.0 | 20.0 | 83088.0 |
| 6.0 | October 24 | Win | 4–2 | New England Patriots | 44.0 | 21.0 | 20.0 | 65708.0 |
| 7.0 | October 31 | Loss | 4–3 | at Chicago Bears | 19.0 | 23.0 | 26.0 | 55049.0 |
| 8.0 | November 7 | Win | 5–3 | at St. Louis Cardinals | 16.0 | 13.0 | 20.0 | 50486.0 |
| 9.0 | November 14 | Win | 6–3 | Philadelphia Eagles | 20.0 | 7.0 | 21.0 | 60178.0 |
| 10.0 | November 21 | Win | 7–3 | at Washington Redskins | 13.0 | 0.0 | 16.0 | 53041.0 |
| 11.0 | November 25 | Win | 8–3 | Los Angeles Rams | 28.0 | 21.0 | 15.0 | 66595.0 |
| 12.0 | December 4 | Win | 9–3 | New York Jets | 52.0 | 10.0 | 26.0 | 66689.0 |
| 13.0 | December 12 | Win | 10–3 | at New York Giants | 42.0 | 14.0 | 23.0 | 62815.0 |
Question:
Name the first downs for points against being 0
Answer:
16.0