user: Question: Which round has more than 79 overall and a position of QB?
Columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 4.0, 4.0, 'Don Allard', 'QB', 'Boston College']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Position" = 'QB' AND "Overall" > 79.0;