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 |
| --- | --- | --- | --- | --- | --- |
| May 1 | @ Giants | 5 – 1 (10) | Worrell (1–1) | 41,524 | 16–12 |
| May 2 | Rockies | 7–4 | Chacón (4–1) | 29,236 | 17–12 |
| May 3 | Rockies | 6–4 | Guthrie (0–2) | 38,332 | 17–13 |
| May 4 | Rockies | 5 – 4 (10) | Reed (2–1) | 37,223 | 18–13 |
| May 5 | Brewers | 5–3 | Clement (2–4) | 35,304 | 18–14 |
| May 6 | Brewers | 9–6 | Cruz (1–1) | 34,240 | 18–15 |
| May 7 | Brewers | 2–1 | Rusch (1–6) | 37,574 | 19–15 |
| May 9 | Cardinals | 6–3 | Zambrano (3–3) | 38,531 | 19–16 |
| May 10 | Cardinals | 3 – 2 (10) | Eldred (2–1) | 38,106 | 20–16 |
| May 11 | Cardinals | Postponed (rain) Rescheduled for September 2 | Postponed (rain) Rescheduled for September 2 | Postponed (rain) Rescheduled for September 2 | Postponed (rain) Rescheduled for September 2 |
| May 12 | @ Brewers | 11–5 | Rusch (1–7) | 19,106 | 21–16 |
| May 13 | @ Brewers | 7–2 | Quevedo (0–1) | 18,454 | 22–16 |
| May 14 | @ Brewers | 6–1 | Kinney (2–3) | 27,566 | 23–16 |
| May 15 | @ Brewers | 4 – 2 (17) | Kieschnick (0–1) | 31,624 | 24–16 |
| May 16 | @ Cardinals | 7–4 | Clement (2–5) | 42,589 | 24–17 |
| May 17 | @ Cardinals | 2–1 | Kline (1–4) | 45,385 | 25–17 |
| May 18 | @ Cardinals | 6–3 | Cruz (1–2) | 45,773 | 25–18 |
| May 19 | @ Cardinals | 2–0 | Zambrano (4–4) | 46,734 | 25–19 |
| May 20 | @ Pirates | Postponed (rain) Rescheduled for September 19 | Postponed (rain) Rescheduled for September 19 | Postponed (rain) Rescheduled for September 19 | Postponed (rain) Rescheduled for September 19 |
| May 21 | @ Pirates | 5–2 | Wood (4–2) | 35,086 | 25–20 |
| May 22 | @ Pirates | 3–2 | Sauerbeck (0–4) | 14,544 | 26–20 |
| May 23 | @ Astros | 7–5 | Prior (5–2) | 29,660 | 26–21 |
| May 24 | @ Astros | 3–2 | Redding (3–4) | 37,839 | 27–21 |
| May 25 | @ Astros | 7–3 | Miller (2–6) | 37,565 | 28–21 |
| May 26 | Pirates | 10–0 | Wood (4–3) | 40,225 | 28–22 |
| May 27 | Pirates | 9–4 | Clement (2–6) | 35,961 | 28–23 |
| May 28 | Pirates | 5–4 | D'Amico (4–5) | 32,406 | 29–23 |
| May 30 | Astros | 9–1 | Estes (5–4) | 36,687 | 29–24 |
| May 31 | Astros | 1 – 0 (16) | Stone (4–1) | 37,719 | 30–24 |
Question:
What date was the record 20–16?
Answer:
May 10