CREATE TABLE table_name_59 (date VARCHAR, opponents_in_the_final VARCHAR)

Which Date has Opponents in the final of valeria casillo lilly raffa?
SELECT date FROM table_name_59 WHERE opponents_in_the_final = "valeria casillo lilly raffa"
SELECT "date" FROM "table_name_59" WHERE "opponents_in_the_final" = "valeria casillo lilly raffa"