user: Question: Which Round has a Position of lb, and a Pick smaller than 25?
Columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [5.0, 13.0, 117.0, 'Charles Cantrell', 'G', 'Lamar']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Position" = 'lb' AND "Pick" < 25.0;