CREATE TABLE table_11690 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score in the final" TEXT)

On what date is Isabel cueto the opponent in the final?
SELECT "Date" FROM table_11690 WHERE "Opponent in the final" = 'isabel cueto'
SELECT "Date" FROM "table_11690" WHERE "Opponent in the final" = 'isabel cueto'