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 | Location | Final Score | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | June 27 | @ Blue Bombers | Canad Inns Stadium | W 23 – 16 | 26,155 | 1–0 |
| 2.0 | July 3 | Tiger-Cats | Rogers Centre | L 32 – 13 | 30,822 | 1–1 |
| 3.0 | July 10 | @ Eskimos | Commonwealth Stadium | L 47 – 28 | 31,707 | 1–2 |
| 4.0 | July 20 | Eskimos | Rogers Centre | W 35 – 31 | 28,522 | 2–2 |
| 5.0 | July 27 | @ Roughriders | Mosaic Stadium | L 28 – 22 | 28,800 | 2–3 |
| 6.0 | August 1 | Blue Bombers | Rogers Centre | W 19 – 11 | 28,523 | 3–3 |
| 7.0 | August 7 | @ Tiger-Cats | Ivor Wynne Stadium | L 45 – 21 | 19,423 | 3–4 |
| 8.0 | August 15 | Alouettes | Rogers Centre | L 32 – 14 | 30,521 | 3–5 |
| 9.0 | Bye | Bye | Bye | Bye | Bye | Bye |
| 10.0 | September 1 | @ Tiger-Cats | Ivor Wynne Stadium | W 34 – 31 | 25,911 | 4–5 |
| 11.0 | September 7 | @ Alouettes | Molson Stadium | L 45 – 19 | 20,202 | 4–6 |
| 12.0 | September 12 | Blue Bombers | Rogers Centre | L 39 – 9 | 28,453 | 4–7 |
| 13.0 | September 20 | @ Stampeders | McMahon Stadium | L 34 – 4 | 33,135 | 4–8 |
| 14.0 | September 27 | Stampeders | Rogers Centre | L 44 – 16 | 28,672 | 4–9 |
| 15.0 | October 3 | Lions | Rogers Centre | L 24 – 20 | 28,273 | 4–10 |
| 16.0 | October 10 | @ Blue Bombers | Canad Inns Stadium | L 25 – 16 | 27,268 | 4–11 |
| 17.0 | October 18 | Alouettes | Rogers Centre | L 43 – 34 | 30,262 | 4–12 |
| 18.0 | October 25 | @ Lions | BC Place Stadium | L 55 – 32 | 35,994 | 4–13 |
| 19.0 | October 30 | Roughriders | Rogers Centre | L 45 – 38 | 28,654 | 4–14 |
Question:
What is the average week number for games that had 28,800 fans in attendance?
Answer:
5.0