user: Question: What is Date, when Winner is "Murilo Figueiredo"?
Columns: ['Date', 'City', 'Event', 'Winner', 'Prize']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['February 16–20, 2011', 'Sao Paulo', 'LAPT Sao Paulo - Brasil', 'Alex Manzano', '$368,703']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Winner" = 'Murilo Figueiredo';