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 |
| --- | --- | --- | --- | --- | --- |
| August 1 | @ Braves | 9-0 | James | 32238.0 | 61-49 |
| August 2 | @ Braves | 4-2 | Morton (2-5) | 42096.0 | 62-49 |
| August 3 | @ Braves | 5-0 | Sheets (10-5) | 21997.0 | 62-50 |
| August 4 | @ Reds | 6-3 | Parra (9-5) | 24706.0 | 62-51 |
| August 5 | @ Reds | 8-1 | Volquez (13-5) | 24739.0 | 63-51 |
| August 6 | @ Reds | 6-3 | Bailey (0-6) | 26602.0 | 64-51 |
| August 8 | Nationals | 5-0 | Balester (2-4) | 43209.0 | 65-51 |
| August 9 | Nationals | 6-0 | Redding (8-7) | 42974.0 | 66-51 |
| August 10 | Nationals | 5-4 | Ayala (1-8) | 42423.0 | 67-51 |
| August 11 | Nationals | 7-1 | Mock (0-3) | 42196.0 | 68-51 |
| August 12 | @ Padres | 5-2 | Baek (4-6) | 28373.0 | 69-51 |
| August 13 | @ Padres | 7-1 | Banks (3-5) | 32771.0 | 70-51 |
| August 14 | @ Padres | 3-2 | Sheets (11-6) | 30145.0 | 70-52 |
| August 15 | @ Dodgers | 5-3 | Parra (9-6) | 44547.0 | 70-53 |
| August 16 | @ Dodgers | 4-3 (10) | Broxton (3-4) | 52889.0 | 71-53 |
| August 17 | @ Dodgers | 7-5 | Villanueva (4-6) | 45267.0 | 71-54 |
| August 18 | Astros | 9-3 | Wolf (8-11) | 41991.0 | 72-54 |
| August 19 | Astros | 5-2 | Sheets (11-7) | 41622.0 | 72-55 |
| August 20 | Astros | 5-2 | Rodríguez (7-6) | 41419.0 | 73-55 |
| August 22 | Pirates | 10-4 | Duke (4-12) | 41637.0 | 74-55 |
| August 23 | Pirates | 6-3 | Gorzelanny (6-8) | 43293.0 | 75-55 |
| August 24 | Pirates | 4-3 (12) | Davis (1-4) | 45163.0 | 76-55 |
| August 26 | @ Cardinals | 12-0 | Wellemeyer (11-5) | 41121.0 | 77-55 |
| August 27 | @ Cardinals | 5-3 | Riske (1-2) | 41433.0 | 77-56 |
| August 29 | @ Pirates | 3-1 | Gorzelanny (6-9) | 18086.0 | 78-56 |
| August 30 | @ Pirates | 11-3 | Maholm (8-8) | 21931.0 | 79-56 |
| August 31 | @ Pirates | 7-0 | Karstens (2-4) | 21293.0 | 80-56 |
Question:
What's the loss of the game with the opponent of the Nationals with a score of 7-1?
Answer:
Mock (0-3)