CREATE TABLE table_31884 ("Tournament" CLOB, "2008" CLOB, "2009" CLOB, "2010" CLOB, "2011" CLOB, "2012" CLOB)

Tell me the tournament of 2009 of atp masters series
SELECT "Tournament" FROM table_31884 WHERE "2009" = 'atp masters series'
SELECT "Tournament" FROM "table_31884" WHERE "2009" = 'atp masters series'