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 | Venue | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | August 3, 1968 | vs. Kansas City Chiefs | 38–14 L | Nippert Stadium | 21682.0 | 0–1 |
| 2.0 | August 10, 1968 | at Denver Broncos | 15–13 L | Denver University Stadium | 13841.0 | 0–2 |
| 3.0 | August 17, 1968 | vs. Buffalo Bills | 10–6 L | Nippert Stadium | 20111.0 | 0–3 |
| 4.0 | August 25, 1968 | Pittsburgh Steelers | 19–3 W | N/A | 11500.0 | 1–3 |
| 5.0 | August 30, 1968 | New York Jets | 13–9 W | N/A | 24358.0 | 2–3 |
Question:
How many people attended the game on week 3?
Answer:
20111.0