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 | Kickoff | Opponent | Final score | Team record | Game site | Attendance |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Saturday, April 3 | 7:00 p.m. | at Frankfurt Galaxy | L 11–34 | 0–1 | Waldstadion | 21269.0 |
| 2.0 | Saturday, April 10 | 7:00 p.m. | Berlin Thunder | L 17–28 | 0–2 | Amsterdam ArenA | 10763.0 |
| 3.0 | Sunday, April 18 | 2:00 p.m. | at Scottish Claymores | W 3–0 | 1–2 | Hampden Park | 10971.0 |
| 4.0 | Sunday, April 25 | 3:00 p.m. | Frankfurt Galaxy | W 21–17 OT | 2–2 | Amsterdam ArenA | 10684.0 |
| 5.0 | Sunday, May 2 | 4:00 p.m. | at Berlin Thunder | L 29–33 | 2–3 | Olympic Stadium | 12909.0 |
| 6.0 | Sunday, May 9 | 4:00 p.m. | at Rhein Fire | L 13–20 | 2–4 | Arena AufSchalke | 18790.0 |
| 7.0 | Saturday, May 15 | 7:00 p.m. | Cologne Centurions | W 17–10 | 3–4 | Amsterdam ArenA | 14437.0 |
| 8.0 | Friday, May 21 | 8:00 p.m. | Scottish Claymores | L 17–19 | 3–5 | Amsterdam ArenA | 10738.0 |
| 9.0 | Sunday, May 30 | 4:00 p.m. | at Cologne Centurions | W 23–18 | 4–5 | RheinEnergieStadion | 9056.0 |
Question:
What opponents played Waldstadion in a game?
Answer:
at Frankfurt Galaxy