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 |
| --- | --- | --- | --- | --- | --- | --- |
| April 2 | St. Louis | 5 – 4 | Detroit | Conklin | 19935.0 | 49–19–9 |
| April 5 | Minnesota | 2 – 3 | Detroit | Osgood | 20066.0 | 50–19–9 |
| April 6 | Detroit | 4 – 1 | Buffalo | Osgood | 18690.0 | 51–19–9 |
| April 9 | Nashville | 4 – 3 | Detroit | Osgood | 20066.0 | 51–19–10 |
| April 11 | Chicago | 4 – 2 | Detroit | Conklin | 20066.0 | 51–20–11 |
| April 12 | Detroit | 0 – 3 | Chicago | Osgood | 22376.0 | 51–21–11 |
Question:
What was the maximum attendance when Chicago is the visiting team?
Answer:
20066.0