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 |
| --- | --- | --- | --- | --- | --- |
| April 4 | @ Padres | 8–2 | Ashby (0–1) | 27104.0 | 1–0 |
| April 6 | @ Padres | 4–3 | Astacio (0–1) | 61247.0 | 1–1 |
| April 7 | @ Padres | 2–1 | Jones (0–1) | 32751.0 | 1–2 |
| April 8 | @ Dodgers | 4–2 | Pérez (0–1) | 27879.0 | 2–2 |
| April 9 | @ Dodgers | 9–6 | Thomson (0–1) | 39997.0 | 2–3 |
| April 10 | @ Dodgers | 2–0 | Kile (1–1) | 44503.0 | 2–4 |
| April 12 | Padres | 8–5 (11) | Veres (0–1) | 48073.0 | 2–5 |
| April 15 | Padres | 6–4 | Clement (0–2) | 40027.0 | 3–5 |
| April 17 | Braves | 5–4 | Rocker (1–1) | 42510.0 | 4–5 |
| April 18 | Braves | 20–5 | Astacio (0–2) | 44285.0 | 4–6 |
| April 19 | Expos | 11–10 | Urbina (1–1) | 40209.0 | 5–6 |
| April 22 | @ Giants | 8–5 | Rueter (1–1) | 11061.0 | 6–6 |
| April 23 | @ Giants | 7–2 | Kile (1–2) | 16271.0 | 6–7 |
| April 24 | @ Giants | 8–4 | Astacio (0–3) | 26626.0 | 6–8 |
| April 25 | @ Giants | 7–6 | DeJean (0–1) | 23099.0 | 6–9 |
| April 27 | @ Cardinals | 7–5 | Thomson (0–2) | 32389.0 | 6–10 |
| April 28 | @ Cardinals | 9–7 | Jiménez (2–1) | 34545.0 | 7–10 |
| April 29 | @ Cardinals | 6–2 | Mercker (2–1) | 41909.0 | 8–10 |
| April 30 | @ Pirates | 7–2 | Schourek (1–2) | 17466.0 | 9–10 |
Question:
What is the average attendance against the expos?
Answer:
40209.0