user: Question: What is the lowest round for Southern College?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [3.0, 21.0, 76.0, 'Chris Chandler', 'Quarterback', 'Washington']
SQL:

assistant: SELECT MIN("Round") FROM "Table" WHERE "College" = 'Southern';