user: Question: What pens have a draw of 0 when the player is Sione Mafi Pahulu?
Columns: ['Player', 'Span', 'Lost', 'Draw', 'Tries', 'Conv', 'Pens', 'Drop']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Nili Latu', '2006-', '14', '0', '3', '0', '1', '0']
SQL:

assistant: SELECT "Pens" FROM "Table" WHERE "Draw" = '0' AND "Player" = 'Sione Mafi Pahulu';