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 17, 1950 | at Pittsburgh Steelers | W 18–7 | 24,699 |
| 2.0 | Bye | Bye | Bye | Bye |
| 3.0 | October 1, 1950 | at Cleveland Browns | W 6–0 | 37,647 |
| 4.0 | October 8, 1950 | at Washington Redskins | W 21–17 | 19,288 |
| 5.0 | October 15, 1950 | Pittsburgh Steelers | L 6-17 | 21,725 |
| 6.0 | October 22, 1950 | Cleveland Browns | W 17–13 | 41,734 |
| 7.0 | October 29, 1950 | at Chicago Cardinals | L 3-17 | 23,964 |
| 8.0 | November 5, 1950 | Washington Redskins | W 24–21 | 23,909 |
| 9.0 | November 12, 1950 | Chicago Cardinals | W 51–21 | 22,380 |
| 10.0 | November 19, 1950 | at Baltimore Colts | W 55–20 | 14,573 |
| 11.0 | November 26, 1950 | Philadelphia Eagles | W 7–3 | 24,093 |
| 12.0 | December 3, 1950 | New York Yanks | W 51–7 | 41,630 |
| 13.0 | December 10, 1950 | at Philadelphia Eagles | W 9–7 | 26,440 |
Question:
How many weeks have pittsburgh steelers as the opponent?
Answer:
1.0