CREATE TABLE table_70099 ("Tournament" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT)

Name the 2008 for wta premier mandatory tournaments of 2007
SELECT "2008" FROM table_70099 WHERE "2007" = 'wta premier mandatory tournaments'
SELECT "2008" FROM "table_70099" WHERE "2007" = 'wta premier mandatory tournaments'