user: Question: What is 2004, when 2008 is "WTA Premier 5 Tournaments"?
Columns: ['Tournament', '2004', '2005', '2006', '2007', '2008', '2009', '2010', '2011']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Grand Slam Tournaments', 'Grand Slam Tournaments', 'Grand Slam Tournaments', 'Grand Slam Tournaments', 'Grand Slam Tournaments', 'Grand Slam Tournaments', 'Grand Slam Tournaments', 'Grand Slam Tournaments', 'Grand Slam Tournaments']
SQL:

assistant: SELECT "2004" FROM "Table" WHERE "2008" = 'WTA Premier 5 Tournaments';