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:
| Type of Record | Attendance | Date/Year | Stadium | Result/Games |
| --- | --- | --- | --- | --- |
| Pre-season game | 32003.0 | Thurs 06/20/13 | Mosaic Stadium at Taylor Field | Calgary 24 @ Saskatchewan 23 |
| Regular season game | 55438.0 | Sat 10/14/95 | Taylor Field | Calgary 20 @ Saskatchewan 25 |
| Grey Cup game (host) | 52564.0 | Sun 11/19/95 | Taylor Field | Baltimore 37 vs Calgary 20 |
| Total Attendance-Regular season | 337527.0 | 2013 | Mosaic Stadium at Taylor Field | 9 games (37,503 avg.) |
| Total Attendance-Regular season and playoffs | 337527.0 | 2013 | Mosaic Stadium at Taylor Field | 9 games (37,503 avg.) |
| Average Attendance-Regular season | 37503.0 | 2013 | Mosaic Stadium at Taylor Field | 9 games (337,527 total) |
Question:
When was the pre-season game record achieved?
Answer:
Thurs 06/20/13