CREATE TABLE table_12278 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

Which Date has a Tournament of milan , italy?
SELECT "Date" FROM table_12278 WHERE "Tournament" = 'milan , italy'
SELECT "Date" FROM "table_12278" WHERE "Tournament" = 'milan , italy'