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 | Time ( ET ) | Game site | Result | Record |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Sun. Sep. 7 | Baltimore Ravens | 1:00pm | Heinz Field | W 34–15 | 1-0 |
| 2.0 | Sun. Sep. 14 | at Kansas City Chiefs | 1:00pm | Arrowhead Stadium | L 41–20 | 1-1 |
| 3.0 | Sun. Sep. 21 | at Cincinnati Bengals | 1:00pm | Paul Brown Stadium | W 17–10 | 2-1 |
| 4.0 | Sun. Sep. 28 | Tennessee Titans | 1:00pm | Heinz Field | L 30–13 | 2-2 |
| 5.0 | Sun. Oct. 5 | Cleveland Browns | 8:30pm | Heinz Field | L 33–13 | 2-3 |
| 6.0 | Sun. Oct. 12 | at Denver Broncos | 4:15pm | Invesco Field at Mile High | L 17–14 | 2-4 |
| 7.0 | Sun. Oct. 19 | Bye | Bye | Bye | Bye | Bye |
| 8.0 | Sun. Oct. 26 | St. Louis Rams | 1:00pm | Heinz Field | L 33–21 | 2-5 |
| 9.0 | Sun. Nov. 2 | at Seattle Seahawks | 4:05pm | Seahawks Stadium | L 23–16 | 2-6 |
| 10.0 | Sun. Nov. 9 | Arizona Cardinals | 1:00pm | Heinz Field | W 28–15 | 3-6 |
| 11.0 | Mon. Nov. 17 | at San Francisco 49ers | 9:00pm | San Francisco Stadium | L 30–14 | 3-7 |
| 12.0 | Sun. Nov. 23 | at Cleveland Browns | 1:00pm | Cleveland Browns Stadium | W 13–6 | 4-7 |
| 13.0 | Sun. Nov. 30 | Cincinnati Bengals | 1:00pm | Heinz Field | L 24–20 | 4-8 |
| 14.0 | Sun. Dec. 7 | Oakland Raiders | 1:00pm | Heinz Field | W 27–7 | 5-8 |
| 15.0 | Sun. Dec. 14 | at New York Jets | 1:00pm | Giants Stadium | L 6–0 | 5-9 |
| 16.0 | Sun. Dec. 21 | San Diego Chargers | 4:05pm | Heinz Field | W 40–24 | 6-9 |
| 17.0 | Sun. Dec. 28 | at Baltimore Ravens | 8:30pm | M&T Bank Stadium | L 13–10 OT | 6-10 |
Question:
What is the week with a record of 2-1?
Answer:
1.0