user: Question: Where did the game(s) against Iowa take place?
Columns: ['Date', 'Opponent', 'Site', 'Result', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['09/26/1931', 'North Dakota State', 'Memorial Stadium • Minneapolis, MN', 'W13-7', '15,000']
SQL:

assistant: SELECT "Site" FROM "Table" WHERE "Opponent" = 'Iowa';