user: Question: What is the highest overall pick from the College of southern mississippi that was selected before round 6?
Columns: ['Player', 'Position', 'Round', 'Overall', 'College']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['Eric Turner', 'Defensive Back', 1.0, 2.0, 'UCLA']
SQL:

assistant: SELECT MAX("Overall") FROM "Table" WHERE "College" = 'southern mississippi' AND "Round" < 6.0;