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 30, 1956 | at Pittsburgh Steelers | L 30-13 | 27718.0 |
| 2.0 | October 6, 1956 | at Philadelphia Eagles | L 13-9 | 26607.0 |
| 3.0 | October 14, 1956 | Chicago Cardinals | L 31-3 | 25794.0 |
| 4.0 | October 21, 1956 | Cleveland Browns | W 20-9 | 23332.0 |
| 5.0 | October 28, 1956 | at Chicago Cardinals | W 17-14 | 30553.0 |
| 6.0 | November 11, 1956 | Detroit Lions | W 18-17 | 28003.0 |
| 7.0 | November 18, 1956 | New York Giants | W 33-7 | 26261.0 |
| 8.0 | November 25, 1956 | at Cleveland Browns | W 20-17 | 22878.0 |
| 9.0 | December 2, 1956 | at New York Giants | L 28-14 | 26261.0 |
| 10.0 | December 9, 1956 | Philadelphia Eagles | W 19-17 | 22333.0 |
| 11.0 | December 16, 1956 | Pittsburgh Steelers | L 23-0 | 21097.0 |
| 12.0 | December 23, 1956 | at Baltimore Colts | L 19-17 | 32994.0 |
Question:
What week had an Attendance smaller than 21,097?
Answer:
0.0