user: Question: For how many contestants was the background Internet dreamer? 
Columns: ['Contestant', 'Background', 'Original team', 'Age', 'Hometown', 'Result']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Ryan Mayberry', 'Internet dreamer', 'Team Power', 24.0, 'Lancaster, Pennsylvania', 'Winner']
SQL:

assistant: SELECT COUNT("Contestant") FROM "Table" WHERE "Background" = 'Internet dreamer';