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 | Save | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| June 1 | Devil Rays | 8–4 | Rekar (0–7) | Nelson (4) | 41,094 | 41–12 |
| June 2 | Devil Rays | 7–4 | Rupe (2–5) | Sasaki (22) | 45,473 | 42–12 |
| June 3 | Devil Rays | 8–4 | Sturtze (2–5) | Sasaki (23) | 45,390 | 43–12 |
| June 4 | Rangers | 11–6 | Venafro (1–2) | – | 45,812 | 44–12 |
| June 5 | Rangers | 5–4 | Smart (1–1) | Sasaki (24) | 44,853 | 45–12 |
| June 6 | Rangers | 7–3 | Oliver (4–2) | – | 45,754 | 46–12 |
| June 8 | Padres | 7–1 | Jarvis (3–6) | – | 45,293 | 47–12 |
| June 9 | Padres | 3–6 | García (6–1) | Hoffman (12) | 45,322 | 47–13 |
| June 10 | Padres | 8–1 | Loewer (0–1) | – | 45,418 | 48–13 |
| June 12 | @ Rockies | 10–9 | Acevedo (0–1) | Sasaki (25) | 41,263 | 49–13 |
| June 13 | @ Rockies | Postponed (rain); rescheduled June 14 (game 1) | Postponed (rain); rescheduled June 14 (game 1) | Postponed (rain); rescheduled June 14 (game 1) | Postponed (rain); rescheduled June 14 (game 1) | Postponed (rain); rescheduled June 14 (game 1) |
| June 14 | @ Rockies | 2–8 | Moyer (8–2) | – | 45,261 | 49–14 |
| June 14 | @ Rockies | 5–1 | Astacio (5–7) | – | 37,048 | 50–14 |
| June 15 | @ Padres | 5–1 | Jones (3–9) | – | 60,918 | 51–14 |
| June 16 | @ Padres | 9–2 | Loewer (0–2) | – | 61,065 | 52–14 |
| June 17 | @ Padres | 9–11 | Nelson (2–1) | Hoffman (14) | 36,027 | 52–15 |
| June 18 | @ Athletics | 3–4 | Charlton (2–1) | Isringhausen (13) | 16,368 | 52–16 |
| June 19 | @ Athletics | 8–7 | Isringhausen (1–2) | Sasaki (26) | 17,542 | 53–16 |
| June 20 | @ Athletics | 4–6 | Sasaki (0–3) | – | 40,639 | 53–17 |
| June 21 | @ Athletics | 12–10 | Tam (0–3) | Rhodes (2) | 23,642 | 54–17 |
| June 22 | Angels | 1–8 | Sele (8–1) | – | 45,461 | 54–18 |
| June 23 | Angels | 1–2 | Moyer (8–3) | Percival (18) | 45,430 | 54–19 |
| June 24 | Angels | 7–3 | Schoeneweis (6–6) | Sasaki (27) | 45,722 | 55–19 |
| June 26 | Athletics | 7–3 | Mulder (8–5) | – | 45,337 | 56–19 |
| June 27 | Athletics | 3–6 | Halama (6–5) | Isringhausen (14) | 45,104 | 56–20 |
| June 28 | Athletics | 3–6 | Fuentes (1–1) | Isringhausen (15) | 45,399 | 56–21 |
| June 29 | @ Angels | 9–5 | Schoeneweis (6–7) | – | 40,822 | 57–21 |
| June 30 | @ Angels | 5–3 | Ortiz (6–6) | Sasaki (28) | 27,784 | 58–21 |
Question:
What was the date of the Mariners game when they had a record of 53–17?
Answer:
June 20