user: Question: What is the lost for span 2006- when conv is 0?
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 "Lost" FROM "Table" WHERE "Conv" = '0' AND "Span" = '2006-';