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 12, 1964 | Houston Oilers | W 27–21 | 22632.0 |
| 2.0 | September 20, 1964 | Boston Patriots | L 33–28 | 20568.0 |
| 3.0 | September 26, 1964 | at Buffalo Bills | L 30–3 | 40167.0 |
| 4.0 | October 3, 1964 | New York Jets | T 17–17 | 47746.0 |
| 5.0 | October 9, 1964 | at Boston Patriots | W 26–17 | 35095.0 |
| 6.0 | October 18, 1964 | Denver Broncos | W 42–14 | 23332.0 |
| 7.0 | October 25, 1964 | at Houston Oilers | W 20–17 | 21671.0 |
| 8.0 | November 1, 1964 | Oakland Raiders | W 31–17 | 25557.0 |
| 9.0 | November 8, 1964 | at Denver Broncos | W 31–20 | 19670.0 |
| 10.0 | November 15, 1964 | at Kansas City Chiefs | W 28–14 | 19792.0 |
| 11.0 | November 26, 1964 | Buffalo Bills | L 27–24 | 31860.0 |
| 12.0 | December 6, 1964 | New York Jets | W 38–3 | 25753.0 |
| 13.0 | December 13, 1964 | Kansas City Chiefs | L 49–6 | 26562.0 |
| 14.0 | December 20, 1964 | at Oakland Raiders | L 21–20 | 20124.0 |
Question:
How many people attended the game on December 20, 1964?
Answer:
20124.0