user: Question: Name of calvin o'neal, and a Round smaller than 6 had what number total overall?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 26.0, 26.0, 'Randy Burke', 'Wide Receiver', 'Kentucky']
SQL:

assistant: SELECT SUM("Overall") FROM "Table" WHERE "Name" = 'calvin o''neal' AND "Round" < 6.0;