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:
| Week | Date | Opponent | Venue | Score | Result | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | June 26 | at Hamilton Tiger-Cats | Ivor Wynne Stadium | 33–10 | Win | 20,589 | 1–0 |
| 2.0 | July 4 | Winnipeg Blue Bombers | Molson Stadium | 38–24 | Win | 20,202 | 2–0 |
| 3.0 | July 10 | Calgary Stampeders | Molson Stadium | 23–19 | Loss | 20,202 | 2–1 |
| 4.0 | July 19 | at Saskatchewan Roughriders | Mosaic Stadium | 41–33 | Loss | 28,800 | 2–2 |
| 5.0 | July 25 | at BC Lions | BC Place Stadium | 36–34 | Loss | 30,132 | 2–3 |
| 6.0 | July 31 | Hamilton Tiger-Cats | Molson Stadium | 40–33 | Win | 20,202 | 3–3 |
| 7.0 | Aug 8 | at Winnipeg Blue Bombers | Canad Inns Stadium | 39–11 | Win | 27,674 | 4–3 |
| 8.0 | Aug 15 | at Toronto Argonauts | Rogers Centre | 32–14 | Win | 30,521 | 5–3 |
| 9.0 | Bye | Bye | Bye | Bye | Bye | Bye | Bye |
| 10.0 | Aug 29 | BC Lions | Molson Stadium | 30–25 | Win | 20,202 | 6–3 |
| 11.0 | Sept 7 | Toronto Argonauts | Molson Stadium | 45–19 | Win | 20,202 | 7–3 |
| 12.0 | Sept 12 | at Calgary Stampeders | McMahon Stadium | 41–30 | Loss | 30,960 | 7–4 |
| 13.0 | Sept 21 | Edmonton Eskimos | Molson Stadium | 40–4 | Win | 20,202 | 8–4 |
| 14.0 | Sept 28 | Saskatchewan Roughriders | Molson Stadium | 37–12 | Win | 20,202 | 9–4 |
| 15.0 | Oct 4 | at Hamilton Tiger-Cats | Ivor Wynne Stadium | 44–36 | Loss | 20,423 | 9–5 |
| 16.0 | Oct 13 | Hamilton Tiger-Cats | Molson Stadium | 42–11 | Win | 20,202 | 10–5 |
| 17.0 | Oct 17 | at Toronto Argonauts | Rogers Centre | 43–34 | Win | 30,262 | 11–5 |
| 18.0 | Oct 26 | Winnipeg Blue Bombers | Molson Stadium | 24–23 | Loss | 20,202 | 11–6 |
| 19.0 | Oct 31 | at Edmonton Eskimos | Commonwealth Stadium | 37–14 | Loss | 29,911 | 11–7 |
Question:
What is Opponent, when Result is Loss, and when Venue is Mosaic Stadium?
Answer:
at Saskatchewan Roughriders