user: Question: How many contestants where from Mitteldeutschland?
Columns: ['Represent', 'Contestant', 'Age', 'Height (ft.)', 'Height (mtr.)', 'Hometown']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Bavaria', 'Lara Waltemode', 17.0, '5\'5"', '1.70', 'Munich']
SQL:

assistant: SELECT COUNT("Age") FROM "Table" WHERE "Represent" = 'Mitteldeutschland';