user: Question: How many million u.s. viewers saw the episode that was directed by Roger Young and written by Debra J. Fisher?
Columns: ['No.', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (million)']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, '" Hollywood "', 'Allen Coulter', 'Teleplay by: Blake Masters Story by: Dick Wolf', 'September29,2010', 1001.0, '10.64']
SQL:

assistant: SELECT "U.S. viewers (million)" FROM "Table" WHERE "Directed by" = 'Roger Young' AND "Written by" = 'Debra J. Fisher';