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 | Location | Final Score | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | August 16 | @ Rough Riders | Landsdowne Park | W 21–7 | 20321.0 | 1–0–0 |
| 1.0 | August 19 | Alouettes | Exhibition Stadium | W 36–14 | 26524.0 | 2–0–0 |
| 2.0 | August 26 | @ Alouettes | Molson Stadium | W 29–28 | 24533.0 | 3–0–0 |
| 3.0 | September 5 | @ Tiger-Cats | Civic Stadium | W 32–21 | 26253.0 | 4–0–0 |
| 4.0 | September 11 | Tiger-Cats | Exhibition Stadium | W 16–12 | 30863.0 | 5–0–0 |
| 5.0 | September 14 | @ Rough Riders | Landsdowne Park | L 21–12 | 20477.0 | 5–1–0 |
| 5.0 | September 18 | Rough Riders | Exhibition Stadium | L 26–12 | 30949.0 | 5–2–0 |
| 6.0 | September 24 | @ Alouettes | Molson Stadium | W 21–9 | 23452.0 | 6–2–0 |
| 7.0 | October 1 | Alouettes | Exhibition Stadium | W 50–15 | 24145.0 | 7–2–0 |
| 8.0 | October 7 | Tiger-Cats | Exhibition Stadium | W 24–14 | 27494.0 | 8–2–0 |
| 9.0 | October 10 | @ Tiger-Cats | Civic Stadium | L 20–16 | 25873.0 | 8–3–0 |
| 10.0 | October 16 | Rough Riders | Exhibition Stadium | W 37–13 | 32896.0 | 9–3–0 |
| 11.0 | October 22 | @ Rough Riders | Landsdowne Park | L 38–1 | 19119.0 | 9–4–0 |
Question:
How many dates for the week of 4?
Answer:
1.0