user: Question: On what grounds did the away team of the Toronto Rebels play?
Columns: ['Date', 'Time', 'Home', 'Away', 'Score', 'Ground']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2008-05-24', '09:45', 'Etobicoke Kangaroos', 'Guelph Gargoyles', '78-53', 'Humber College Lakeshore']
SQL:

assistant: SELECT "Ground" FROM "Table" WHERE "Away" = 'Toronto Rebels';