user: Question: How many rounds does jamaal charles have?
Columns: ['Round', 'Selection', 'Name', 'Position', 'College', 'Contract']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '5', 'Glenn Dorsey', 'Defensive tackle', 'Louisiana State', 'Six years']
SQL:

assistant: SELECT COUNT("Round") FROM "Table" WHERE "Name" = 'jamaal charles';