user: Question: What was the pick # for a center picked before round 6?
Columns: ['Round', 'Pick #', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 26.0, 'Greg Bell', 'Running back', 'Notre Dame']
SQL:

assistant: SELECT "Pick #" FROM "Table" WHERE "Position" = 'center' AND "Round" < 6.0;