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:
| Date | Opponent | Score | Loss | Attendance | Record |
| --- | --- | --- | --- | --- | --- |
| September 1 | Indians | 7–2 | Padilla (13–9) | 23776.0 | 69–67 |
| September 2 | Indians | 6–5 | Volquez (1–4) | 40222.0 | 69–68 |
| September 3 | Indians | 5–2 | Byrd | 19667.0 | 70–68 |
| September 4 | @ Athletics | 8–1 | Zito | 23949.0 | 71–68 |
| September 5 | @ Athletics | 5–4 | Saarloos | 27225.0 | 72–68 |
| September 6 | @ Athletics | 9–6 | Rupe (0–1) | 17838.0 | 72–69 |
| September 8 | @ Mariners | 7–2 | Millwood (14–10) | 28646.0 | 72–70 |
| September 9 | @ Mariners | 3–2 | Rheinecker (4–6) | 33454.0 | 72–71 |
| September 10 | @ Mariners | 4–2 | Huber | 34321.0 | 73–71 |
| September 12 | @ Tigers | 3–2 | Mahay (1–3) | 24196.0 | 73–72 |
| September 13 | @ Tigers | 11–3 | Verlander | 24672.0 | 74–72 |
| September 14 | Angels | 2–1 | Volquez (1–5) | 21488.0 | 74–73 |
| September 15 | Angels | 2–1 | Francisco (0–1) | 30788.0 | 74–74 |
| September 16 | Angels | 12–6 | Lackey | 40196.0 | 75–74 |
| September 17 | Angels | 8–1 | Santana | 24303.0 | 76–74 |
| September 18 | Mariners | 8–1 | Hernández | 18214.0 | 77–74 |
| September 19 | Mariners | 9–7 | Wilson (2–3) | 18551.0 | 77–75 |
| September 20 | Mariners | 6–3 | Tejeda (4–4) | 26006.0 | 77–76 |
| September 22 | Indians | 12–4 | Byrd | 26284.0 | 78–76 |
| September 23 | Indians | 6–3 | Padilla (14–10) | 38351.0 | 78–77 |
| September 24 | Indians | 11–6 | Millwood (16–11) | 36617.0 | 78–78 |
| September 25 | @ Angels | 8–3 | Volquez (1–6) | 39781.0 | 78–79 |
| September 26 | @ Angels | 5–2 | Escobar | 37339.0 | 79–79 |
| September 27 | @ Angels | 6–5 | Wilson (2–4) | 38032.0 | 79–80 |
| September 29 | @ Mariners | 6–5 | Fruto | 30766.0 | 80–80 |
| September 30 | @ Mariners | 3–1 | Millwood (16–12) | 23310.0 | 80–81 |
| October 1 | @ Mariners | 3–2 | Tejeda (5–5) | 28361.0 | 80–82 |
Question:
What is the sum of people in attendance on September 8?
Answer:
28646.0