user: Question: What is the total number of u.s. air dates with a title of "Dermabrasion"
Columns: ['Season #', 'Series #', 'Title', 'Canadian airdate', 'U.S. airdate', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 14.0, '"Dangerous Liaisons"', 'April 21, 2009', 'April 3, 2009', 201.0]
SQL:

assistant: SELECT COUNT("U.S. airdate") FROM "Table" WHERE "Title" = '"Dermabrasion"';