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:
| Match | Date | Round | Home/Away | Opponent team | Score | Scorers |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | 17 September 2007 | Group Stage | Home | Benfica | 2–1 | Pirlo  9', Inzaghi  24' |
| 2 | 3 October 2007 | Group Stage | Away | Celtic | 2–1 | Kaká  68' (pen.) |
| 3 | 24 October 2007 | Group Stage | Home | Shakhtar Donetsk | 4–1 | Gilardino  6', 14', Seedorf  62', 69' |
| 4 | 6 November 2007 | Group Stage | Away | Shakhtar Donetsk | 0–3 | Inzaghi  66', 90+3', Kaká  72' |
| 5 | 28 November 2007 | Group Stage | Away | Benfica | 1–1 | Pirlo  15' |
| 6 | 4 December 2007 | Group Stage | Home | Celtic | 1–0 | Inzaghi  70' |
| 7 | 20 February 2008 | Round of 16 | Away | Arsenal | 0–0 |  |
| 8 | 4 March 2008 | Round of 16 | Home | Arsenal | 0–2 |  |
Question:
who was the first team a.c milan played against in the uefa championship league?
Answer:
Benfica