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# | Site | Result | Attendance |
| --- | --- | --- | --- | --- |
| 09/22/1945 | Missouri | Memorial Stadium • Minneapolis, MN | W34-0 | 34,246 |
| 10/06/1945 | at Nebraska | Memorial Stadium • Lincoln, NE | W61-7 | 25,000 |
| 10/13/1945 | Fort Warren | Memorial Stadium • Minneapolis, MN | W14-0 | 32,465 |
| 10/20/1945 | Northwestern | Memorial Stadium • Minneapolis, MN | W30-7 | 55,940 |
| 10/27/1945 | 12 Ohio State | Memorial Stadium • Minneapolis, MN | L7-20 | 56,000 |
| 11/03/1945 | at 10 Michigan | Michigan Stadium • Ann Arbor, MI | L0-26 | 84,472 |
| 11/10/1945 | Indiana | Memorial Stadium • Minneapolis, MN | L0-49 | 41,400 |
| 11/17/1945 | at Iowa | Iowa Stadium • Iowa City, IA | L19-20 | 13,880 |
| 11/24/1945 | Wisconsin | Memorial Stadium • Minneapolis, MN | L12-26 | 34,800 |
| *Non-conference game. Homecoming. | *Non-conference game. Homecoming. | *Non-conference game. Homecoming. | *Non-conference game. Homecoming. | *Non-conference game. Homecoming. |
Question:
At which site was Northwestern an opponent?
Answer:
Memorial Stadium • Minneapolis, MN