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 14 | 7:00 p.m. | at Frankfurt Galaxy | L 14–30 | 0–1 | Commerzbank-Arena | 38125.0 |
| 2.0 | Friday, April 20 | 8:00 p.m. | Rhein Fire | L 10–16 | 0–2 | Amsterdam ArenA | 14611.0 |
| 3.0 | Saturday, April 28 | 6:00 p.m. | at Berlin Thunder | W 14–10 | 1–2 | Olympic Stadium | 11942.0 |
| 4.0 | Sunday, May 6 | 3:00 p.m. | Frankfurt Galaxy | W 19–17 | 2–2 | Amsterdam ArenA | 10788.0 |
| 5.0 | Saturday, May 12 | 6:00 p.m. | at Hamburg Sea Devils | L 17–24 | 2–3 | AOL Arena | 15271.0 |
| 6.0 | Friday, May 18 | 8:00 p.m. | Hamburg Sea Devils | W 41–31 | 3–3 | Amsterdam ArenA | 9384.0 |
| 7.0 | Friday, May 25 | 8:00 p.m. | Cologne Centurions | L 7–30 | 3–4 | Amsterdam ArenA | 11714.0 |
| 8.0 | Sunday, June 3 | 4:00 p.m. | at Rhein Fire | L 38–41 | 3–5 | LTU arena | 20355.0 |
| 9.0 | Saturday, June 9 | 6:00 p.m. | at Cologne Centurions | L 13–31 | 3–6 | RheinEnergieStadion | 12878.0 |
Question:
In what week was the first game played at the Commerzbank-Arena?
Answer:
1.0