user: Question: Display the serial numbers for the players who play at the Center.
Columns: ['No', 'Player', 'Height (m)', 'Height (f)', 'Position', 'Year born', 'Current Club']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [4.0, 'Moran Rot', '1.83', '6\' 00"', 'Guard', 1982.0, 'Hapoel Jerusalem']
SQL:

assistant: SELECT "No" FROM "Table" WHERE "Position" = 'Center';