user: Question: When was the school in Salem, Massachusetts located?
Columns: ['Institution', 'Location', 'Nickname', 'Founded', 'Type', 'Enrollment', 'Primary Conference', 'LEC Sport']
Types: ['text', 'text', 'text', 'real', 'text', 'real', 'text', 'text']
Sample row: ['Bridgewater State University', 'Bridgewater, Massachusetts', 'Bears', 1840.0, 'Public', 11201.0, 'MASCAC', 'field hockey tennis']
SQL:

assistant: SELECT "Founded" FROM "Table" WHERE "Location" = 'Salem, Massachusetts';