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:
| Round | Date | Opponent | Score | Attendance | Report |
| --- | --- | --- | --- | --- | --- |
| FR | 20 September | Dnipro | 0–0 | 15431.0 | BBC Sport |
| FR | 4 October | Dnipro | 1–1 | 26275.0 | BBC Sport |
| GS | 25 October | Panathinaikos | 0–3 | 8154.0 | BBC Sport |
| GS | 8 November | Lokomotiv Moscow | 1–1 | 18843.0 | BBC Sport |
| GS | 29 November | Atlético Madrid | 0–2 | 30000.0 | BBC Sport |
| GS | 20 December | Copenhagen | 4–0 | 20446.0 | BBC Sport |
| Ro32 | 13 February | Bayern Munich | 2–2 | 20047.0 | BBC Sport |
| Ro32 | 21 February | Bayern Munich | 5–1 | 66000.0 | BBC Sport |
Question:
On what Date was the Opponent Panathinaikos?
Answer:
25 October