CREATE TABLE table_78682 ("Tournament" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT)

What is 2004, when 2008 is 'WTA Premier 5 Tournaments'?
SELECT "2004" FROM table_78682 WHERE "2008" = 'wta premier 5 tournaments'
SELECT "2004" FROM "table_78682" WHERE "2008" = 'wta premier 5 tournaments'