CREATE TABLE table_71401 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Tier" TEXT, "Partner" TEXT, "Opponents in the final" TEXT, "Score" TEXT)

Which date has opponents, Claire De Gubernatis Alexandra Dulgheru, in the final?
SELECT "Date" FROM table_71401 WHERE "Opponents in the final" = 'claire de gubernatis alexandra dulgheru'
SELECT "Date" FROM "table_71401" WHERE "Opponents in the final" = 'claire de gubernatis alexandra dulgheru'