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 | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| December 1 | Columbus | 1 – 4 | St. Louis | Leclaire | 12307.0 | 7–19–0 |
| December 8 | NY Islanders | 3 – 4 | Columbus | Leclaire | 15728.0 | 8–19–0 |
| December 9 | Columbus | 2 – 5 | Atlanta | Leclaire | 14260.0 | 8–20–0 |
| December 11 | New Jersey | 2 – 3 | Columbus | Denis | 17157.0 | 9–20–0 |
| December 13 | Philadelphia | 3 – 1 | Columbus | Denis | 16263.0 | 9–21–0 |
| December 15 | Columbus | 1 – 2 | Carolina | Leclaire | 11069.0 | 9–22–0 |
| December 17 | Columbus | 3 – 7 | Nashville | Denis | 16020.0 | 9–23–0 |
| December 20 | Columbus | 3 – 4 | Detroit | Leclaire | 20066.0 | 9–23–1 |
| December 21 | Dallas | 5 – 3 | Columbus | Leclaire | 16859.0 | 9–24–1 |
| December 23 | Nashville | 5 – 4 | Columbus | Denis | 16330.0 | 9–25–1 |
| December 26 | Chicago | 3 – 4 | Columbus | Denis | 17441.0 | 10–25–1 |
| December 28 | Anaheim | 0 – 1 | Columbus | Denis | 17387.0 | 11–25–1 |
| December 30 | Columbus | 3 – 2 | Chicago | Denis | 13229.0 | 12–25–1 |
| December 31 | Columbus | 2 – 5 | Detroit | Denis | 20066.0 | 12–26–1 |
Question:
Name the average attendance with dallas visitor
Answer:
16859.0