user: Question: What is the lowest # Of Episodes, when Date Released is "15 December 2011"?
Columns: ['Season', 'Date Released', '# Of Episodes', '# Of Discs', 'Special Features']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['The Complete 1st Series', '30 July 2009', 13.0, 4.0, 'Behind the scenes.']
SQL:

assistant: SELECT MIN("# Of Episodes") FROM "Table" WHERE "Date Released" = '15 December 2011';