user: Question: WHAT WAS THE OVERALL NUMBER WITH A POSITON OF db, AND ROUND GREATER THAN 8?
Columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [2.0, 3.0, 31.0, 'Bob Slater', 'DT', 'Oklahoma']
SQL:

assistant: SELECT "Overall" FROM "Table" WHERE "Position" = 'db' AND "Round" > 8.0;