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:
| Date | Visitor | Score | Home | Decision | Record |
| --- | --- | --- | --- | --- | --- |
| September 17 | Colorado | 4 – 3 | Phoenix | Weiman | 1–0 |
| September 19 | Los Angeles | 3 – 6 | Colorado | Budaj | 2–0 |
| September 20 | Colorado | 6 – 3 | Dallas | Wall | 3–0 |
| September 22 | Colorado | 2 – 3 | Los Angeles † | Weiman | 3–1 |
| September 25 | Dallas | 5 – 4 | Colorado | Budaj | 3–2 |
| September 29 | Phoenix | 2 – 3 | Colorado | Budaj | 4–2 |
Question:
What was the date of the game that had a decision of wall?
Answer:
September 20