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 15, 1939 | at Chicago Bears | L 30-21 | 10000.0 |
| 2.0 | September 20, 1939 | at Brooklyn Dodgers | L 23-12 | 12423.0 |
| 3.0 | October 1, 1939 | at Green Bay Packers | W 27-24 | 9888.0 |
| 4.0 | October 8, 1939 | Chicago Bears | L 35-21 | 18209.0 |
| 5.0 | October 15, 1939 | at Detroit Lions | L 15-7 | 30096.0 |
| 6.0 | October 22, 1939 | at Chicago Cardinals | W 24-0 | 10000.0 |
| 7.0 | October 29, 1939 | Pittsburgh Pirates | L 28-7 | 11579.0 |
| 8.0 | November 5, 1939 | Chicago Cardinals | W 14-0 | 8378.0 |
| 9.0 | November 19, 1939 | Detroit Lions | W 14-3 | 28142.0 |
| 10.0 | November 26, 1939 | Green Bay Packers | L 7-6 | 30690.0 |
| 11.0 | December 3, 1939 | Philadelphia Eagles | W 35-13 | 9109.0 |
Question:
What sum of Attendance has a Week smaller than 10, and a Result of l 30-21?
Answer:
10000.0