user: Question: How many millions of US viewers for the episode "The Last Word"?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [23.0, 1.0, '"The Fisher King (Part II)"', 'Gloria Muzio', 'Edward Allen Bernero', 'September20,2006', '15.65']
SQL:

assistant: SELECT "U.S. viewers (millions)" FROM "Table" WHERE "Title" = '"The Last Word"';