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 14, 1969 | Kansas City Chiefs | L 27–9 | 47988.0 |
| 2.0 | September 21, 1969 | at Cincinnati Bengals | L 34–20 | 26243.0 |
| 3.0 | September 28, 1969 | New York Jets | W 34–27 | 54042.0 |
| 4.0 | October 4, 1969 | Cincinnati Bengals | W 21–14 | 52748.0 |
| 5.0 | October 11, 1969 | at Miami Dolphins | W 21–14 | 34585.0 |
| 6.0 | October 19, 1969 | at Boston Patriots | W 13–10 | 18346.0 |
| 7.0 | October 26, 1969 | Oakland Raiders | L 24–12 | 54008.0 |
| 8.0 | November 2, 1969 | at Denver Broncos | L 13–0 | 45511.0 |
| 9.0 | November 9, 1969 | at Kansas City Chiefs | L 27–3 | 51104.0 |
| 10.0 | November 16, 1969 | at Oakland Raiders | L 21–16 | 54372.0 |
| 11.0 | November 23, 1969 | Denver Broncos | W 45–24 | 34664.0 |
| 12.0 | November 27, 1969 | at Houston Oilers | W 21–17 | 40065.0 |
| 13.0 | December 7, 1969 | Boston Patriots | W 28–18 | 33146.0 |
| 14.0 | December 14, 1969 | Buffalo Bills | W 45–6 | 47582.0 |
Question:
On what week were there 26,243 in attendance on September 21, 1969?
Answer:
0.0