user: Question: When did the season air where the viewership was 14.71 million?
Columns: ['Season', 'Season premiere', 'Season finale', 'TV season', 'Ranking', 'Viewers (in millions)']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'December 3, 2003', 'August 18, 2004', '2003–2004', '#41', '10.63']
SQL:

assistant: SELECT "Season premiere" FROM "Table" WHERE "Viewers (in millions)" = '14.71';