user: Question: When did the season with 1 Team format premiere?
Columns: ['No.', 'Country', 'Local title', 'Format', 'Start Date', 'End Date', 'Episodes', 'Premiere/Air Dates']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'France', 'Fort Boyard', '1 Team', 'May 25', 'June 8', '11^', '7 July – 1 September 2012 (Summer run)']
SQL:

assistant: SELECT "Premiere/Air Dates" FROM "Table" WHERE "Format" = '1 Team';