CREATE TABLE table_55664 ("Tournament" TEXT, "2001" TEXT, "2002" TEXT, "2003" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT, "2012" TEXT, "2013" TEXT)

Tell me the 2008 for when 2001 of wta premier 5 tournaments
SELECT "2008" FROM table_55664 WHERE "2001" = 'wta premier 5 tournaments'
SELECT "2008" FROM "table_55664" WHERE "2001" = 'wta premier 5 tournaments'