user: Question: Name the class 3 for Silverstone RMIT University
Columns: ['Year', 'Location', 'Class 1', 'Best UK team', 'Class 1-200', 'Class 3', 'Class 1a']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1998', 'MIRA', 'University of Texas at Arlington', 'University of Birmingham', 'n/a', 'n/a', 'n/a']
SQL:

assistant: SELECT "Class 3" FROM "Table" WHERE "Location" = 'Silverstone' AND "Class 1" = 'RMIT University';