user: Question: Name the us viewers directed by Christine Moore
Columns: ['No.', 'Title', 'Directed by', 'Story by', 'Teleplay by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '"Do You Know What It Means"', 'Agnieszka Holland', 'David Simon & Eric Overmyer', 'David Simon & Eric Overmyer', 'April11,2010', '1.1']
SQL:

assistant: SELECT "U.S. viewers (millions)" FROM "Table" WHERE "Directed by" = 'Christine Moore';