user: Question: which spans had a drop of 0?
Columns: ['Player', 'Span', 'Start', 'Tries', 'Conv', 'Pens', 'Drop']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Vaea Anitoni', '1992-2000', '44', '26', '0', '0', '0']
SQL:

assistant: SELECT "Span" FROM "Table" WHERE "Drop" = '0';