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 | Game Site | Result/Score | Record |
| --- | --- | --- | --- | --- | --- | --- |
| HF | August 5, 2007 | Pittsburgh Steelers | 8:00 pm EDT | Fawcett Stadium | L 20-7 | 0-1 |
| 1 | August 10, 2007 | Buffalo Bills | 8:00 pm EDT | Louisiana Superdome | L 13-10 | 0-2 |
| 2 | August 18, 2007 | Cincinnati Bengals | 7:30 pm EDT | Paul Brown Stadium | W 27-19 | 1-2 |
| 3 | August 23, 2007 | Kansas City Chiefs | 8:30 pm EDT | Arrowhead Stadium | W 30-7 | 2-2 |
| 4 | August 30, 2007 | Miami Dolphins | 8:00 pm EDT | Louisiana Superdome | W 7-0 | 3-2 |
Question:
Tell me the week for pittsburgh steelers opponent
Answer:
HF