user: Question: Which Overall is the average one that has a Pick # larger than 7, and a Round larger than 4, and a Name of Glen Howe?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 9.0, 9.0, 'Rick Bryan', 'Defensive Tackle', 'Oklahoma']
SQL:

assistant: SELECT AVG("Overall") FROM "Table" WHERE "Pick #" > 7.0 AND "Round" > 4.0 AND "Name" = 'Glen Howe';