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 | Attendance |
| --- | --- | --- | --- | --- |
| 1.0 | September 11, 1938 | at Philadelphia Eagles | W 26-23 | 20000.0 |
| 2.0 | September 18, 1938 | Brooklyn Dodgers | T 16-16 | 23000.0 |
| 3.0 | September 25, 1938 | Cleveland Rams | W 37-13 | 27000.0 |
| 4.0 | October 9, 1938 | New York Giants | L 10-7 | 37500.0 |
| 5.0 | October 16, 1938 | at Detroit Lions | W 7-5 | 42855.0 |
| 6.0 | October 23, 1938 | Philadelphia Eagles | W 20-14 | 3000.0 |
| 7.0 | October 30, 1938 | at Brooklyn Dodgers | T 6-6 | 29913.0 |
| 8.0 | November 6, 1938 | at Pittsburgh Pirates | W 7-0 | 12910.0 |
| 9.0 | November 13, 1938 | at Chicago Bears | L 31-7 | 21817.0 |
| 10.0 | November 27, 1938 | Pittsburgh Pirates | W 15-0 | 12910.0 |
| 11.0 | December 4, 1938 | at New York Giants | L 36-0 | 57461.0 |
Question:
What was the average attendance on October 30, 1938?
Answer:
29913.0