user: Question: Who directed the episode that had 6.04 million viewers? 
Columns: ['Episode #', 'Series #', 'Title', 'Director', 'Writer', 'Original airdate', 'Viewers (in millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [371.0, 4.0, '" The Apprentice "', 'Edward Bennett Category:Articles with hCards', 'Martha Hillier Category:Articles with hCards', '6 Cannot handle non-empty timestamp argument! 2007', '5.95']
SQL:

assistant: SELECT "Director" FROM "Table" WHERE "Viewers (in millions)" = '6.04';