CREATE TABLE table_70104 ("Tournament" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT)

Name the 2009 for wta premier mandatory tournaments
SELECT "2009" FROM table_70104 WHERE "Tournament" = 'wta premier mandatory tournaments'
SELECT "2009" FROM "table_70104" WHERE "Tournament" = 'wta premier mandatory tournaments'