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 | Record |
| --- | --- | --- | --- | --- |
| September 1 | Mariners | 4 - 2 | Villone (5-5) | 55-78 |
| September 2 | Mariners | 8 - 6 | Baek (1-1) | 56-78 |
| September 3 | Athletics | 7 - 4 | Lilly (9-10) | 56-79 |
| September 4 | Athletics | 9 - 5 | Frasor (4-5) | 56-80 |
| September 5 | Athletics | 13 - 5 | Harden (9-6) | 57-80 |
| September 7 | @ Angels | 5 - 2 | Bush (3-4) | 57-81 |
| September 8 | @ Angels | 1 - 0 | Escobar (9-10) | 58-81 |
| September 9 | @ Angels | 5 - 4 | Washburn (11-6) | 59-81 |
| September 10 | @ Rangers | 10 - 3 | Batista (10-11) | 59-82 |
| September 11 | @ Rangers | 10 - 7 | Frasor (4-6) | 59-83 |
| September 12 | @ Rangers | 7 - 6 | Speier (3-7) | 59-84 |
| September 13 | Orioles | 9 - 1 | Miller (3-4) | 59-85 |
| September 15 | Orioles | 3 - 0 | Riley (1-4) | 60-85 |
| September 16 | Orioles | 9 - 5 | Batista (10-12) | 60-86 |
| September 17 | Devil Rays | 11 - 4 | Towers (9-6) | 60-87 |
| September 18 | Devil Rays | 4 - 2 | Ritchie (0-1) | 61-87 |
| September 19 | Devil Rays | 9 - 7 | Kazmir (2-2) | 62-87 |
| September 20 | @ Yankees | 6 - 3 | Vázquez (14-10) | 63-87 |
| September 21 | @ Yankees | 5 - 3 | Halladay (7-8) | 63-88 |
| September 22 | @ Yankees | 5 - 4 | Hernández (8-1) | 64-88 |
| September 24 | @ Devil Rays | 4 - 2 | Towers (9-7) | 64-89 |
| September 25 | @ Devil Rays | 6 - 5 | Batista (10-13) | 64-90 |
| September 26 | @ Devil Rays | Postponed (rain) Not rescheduled | Postponed (rain) Not rescheduled | Postponed (rain) Not rescheduled |
| September 27 | @ Orioles | 4 - 1 | Ponson (11-15) | 65-90 |
| September 28 | @ Orioles | Postponed (rain) Rescheduled for September 29 | Postponed (rain) Rescheduled for September 29 | Postponed (rain) Rescheduled for September 29 |
| September 29 | @ Orioles | 7 - 6 | Speier (3-8) | 65-91 |
| September 29 | @ Orioles | 4 - 0 | Chacín (1-1) | 65-92 |
| September 30 | @ Orioles | 9 - 3 | Towers (9-8) | 65-93 |
Question:
Who was the opponent at the game that had a loss of Harden (9-6)?
Answer:
Athletics