user: Question: Which episode had 16.38 million U.S. viewers?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [117.0, 1.0, '"Birthright"', 'Arthur W. Forney', 'Jonathan Greene', 'September 21, 2004', 'E5201', '14.20']
SQL:

assistant: SELECT "Title" FROM "Table" WHERE "U.S. viewers (millions)" = '16.38';