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 |
| --- | --- | --- | --- | --- | --- |
| June 8 | Buffalo | 3–2 OT | Dallas | Belfour | 17001.0 |
| June 10 | Buffalo | 2–4 | Dallas | Belfour | 17001.0 |
| June 12 | Dallas | 2–1 | Buffalo | Belfour | 18595.0 |
| June 15 | Dallas | 1–2 | Buffalo | Belfour | 18595.0 |
| June 17 | Buffalo | 0–2 | Dallas | Belfour | 17001.0 |
| June 19 | Dallas | 2–1 OT | Buffalo | Belfour | 18595.0 |
Question:
Visitor of dallas, and a Date of june 12 had what highest attendance?
Answer:
18595.0