user: Question: Which Winner has a Last 16 of £400?
Columns: ['Year', 'Winner', 'Runner-Up', 'Semi-Finalists', 'Quarter-Finalists', 'Last 16', 'Last 32', 'Last 64', 'Total']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2004–2008', '£5,000', '£2,500', '£1,250', '£600', '£300', '£150', '£75', '£19,600']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "Last 16" = '£400';