user: Question: What is Time, when Meet is "Duel in the Pool", and when Date is "19 December 2009"?
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 "Time" FROM "Table" WHERE "Meet" = 'Duel in the Pool' AND "Date" = '19 December 2009';