user: Question: What is Date, when Time is "56.49"?
Columns: ['Event', 'Time', 'Nationality', 'Date', 'Meet', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['50 m freestyle', '20.51', 'Brazil', '17 December 2010', 'World Championships', 'Dubai , United Arab Emirates']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Time" = '56.49';