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 | @ Rockies | 4–0 | Sánchez (8–10) | 31388.0 | 59–78 |
| September 2 | @ Rockies | 6–5 (12) | Yabu (3–6) | 23710.0 | 59–79 |
| September 3 | @ Rockies | 9–2 | Cook (16–9) | 23481.0 | 60–79 |
| September 5 | Pirates | 7–0 | Correia (3–8) | 31133.0 | 60–80 |
| September 6 | Pirates | 7–6 | Bautista (4–3) | 38094.0 | 61–80 |
| September 7 | Pirates | 11–6 | Karstens (2–5) | 34122.0 | 62–80 |
| September 8 | D-backs | 6–2 | Petit (3–5) | 30252.0 | 63–80 |
| September 9 | D-backs | 5–4 | Rauch (4–7) | 30518.0 | 64–80 |
| September 10 | D-backs | 4–3 | Lyon (2–5) | 30992.0 | 65–80 |
| September 11 | @ Padres | 11–3 | Cain (8–12) | 30497.0 | 65–81 |
| September 12 | @ Padres | 5–2 | Peavy (9–11) | 24610.0 | 66–81 |
| September 13 | @ Padres | 7–0 | Young (5–6) | 31015.0 | 67–81 |
| September 14 | @ Padres | 8–6 (10) | Hayhurst (0–2) | 25476.0 | 68–81 |
| September 15 | @ D-backs | 3–1 | Hennessey (1–2) | 25969.0 | 68–82 |
| September 16 | @ D-backs | 2–0 | Cain (8–13) | 33195.0 | 68–83 |
| September 17 | @ D-backs | 7–6 | Sánchez (9–11) | 22618.0 | 68–84 |
| September 18 | @ D-backs | 3–2 | Lincecum (17–4) | 34323.0 | 68–85 |
| September 19 | @ Dodgers | 7–1 | Maddux (7–13) | 55589.0 | 69–85 |
| September 20 | @ Dodgers | 10–7 | Walker (4–8) | 55724.0 | 69–86 |
| September 21 | @ Dodgers | 1–0 (10) | Saito (4–4) | 55294.0 | 70–86 |
| September 23 | Rockies | 9–4 | Lincecum (17–5) | 33922.0 | 70–87 |
| September 24 | Rockies | 15–6 | Sánchez (9–12) | 31942.0 | 70–88 |
| September 25 | Rockies | 3–1 | Zito (10–17) | 31857.0 | 70–89 |
| September 26 | Dodgers | 6–5 | Johnson (1–2) | 33920.0 | 71–89 |
| September 27 | Dodgers | 2–1 | Cain (8–14) | 38673.0 | 71–90 |
| September 28 | Dodgers | 3–1 | Park (4–4) | 39167.0 | 72–90 |
Question:
What was the attendance on September 28?
Answer:
39167.0