CREATE TABLE table_39299 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents in the final" TEXT, "Score" TEXT)

Which Date has Opponents in the final of valeria casillo lilly raffa?
SELECT "Date" FROM table_39299 WHERE "Opponents in the final" = 'valeria casillo lilly raffa'
SELECT "Date" FROM "table_39299" WHERE "Opponents in the final" = 'valeria casillo lilly raffa'