user: Question: Which championship was the 100m backstroke performed?
Columns: ['Event', 'Time', 'Nationality', 'Date', 'Meet', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['50m freestyle', '22.11', 'Australia', '28 August 2013', '2013 Championships', 'Dubai , United Arab Emirates']
SQL:

assistant: SELECT "Meet" FROM "Table" WHERE "Event" = '100m backstroke';