user: Question: How many people watched the episode "Bad Girls"?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (million)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [24.0, 1.0, '"Taking Control"', 'Félix Alcalá', 'Robert King & Michelle King', 'September28,2010', '12.84']
SQL:

assistant: SELECT "U.S. viewers (million)" FROM "Table" WHERE "Title" = '"Bad Girls"';