CREATE TABLE table_78687 ("Tournament" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT)

What is 2011, when 2010 is 'WTA Premier 5 Tournaments'?
SELECT "2011" FROM table_78687 WHERE "2010" = 'wta premier 5 tournaments'
SELECT "2011" FROM "table_78687" WHERE "2010" = 'wta premier 5 tournaments'