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:
| Week | Date | Opponent | Result | Game site | Record | Attendance |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | September 16, 1937 | New York Giants | W 13–3 | Griffith Stadium | 1–0 | 25000.0 |
| 2.0 | September 24, 1937 | Chicago Cardinals | L 21–14 | Griffith Stadium | 1–1 | 22367.0 |
| 3.0 | October 3, 1937 | at Brooklyn Dodgers | W 11–7 | Griffith Stadium | 2–1 | 16000.0 |
| 4.0 | October 10, 1937 | Philadelphia Eagles | L 14–0 | Griffith Stadium | 2–2 | 7320.0 |
| 5.0 | October 17, 1937 | Pittsburgh Pirates | W 34–20 | Griffith Stadium | 3–2 | 12835.0 |
| 6.0 | October 24, 1937 | at Philadelphia Eagles | W 10–7 | Philadelphia Municipal Stadium | 4–2 | 13167.0 |
| 7.0 | October 31, 1937 | at Brooklyn Dodgers | W 21–0 | Ebbets Field | 5–2 | 22500.0 |
| 8.0 | November 14, 1937 | at Pittsburgh Pirates | L 21–13 | Forbes Field | 5–3 | 12242.0 |
| 9.0 | November 21, 1937 | at Cleveland Rams | W 16–7 | Cleveland Stadium | 6–3 | 3500.0 |
| 10.0 | November 28, 1937 | Green Bay Packers | W 14–6 | Griffith Stadium | 7–3 | 30000.0 |
Question:
On October 17, 1937 what was maximum number or attendants.
Answer:
12835.0