CREATE TABLE table_55905 ("Runs" TEXT, "Wicket" TEXT, "Partnerships" TEXT, "Versus" TEXT, "Venue" TEXT, "Date" TEXT)

What is the date of the game against South Africa and 2nd wickets?
SELECT "Date" FROM table_55905 WHERE "Versus" = 'south africa' AND "Wicket" = '2nd'
SELECT "Date" FROM "table_55905" WHERE "Versus" = 'south africa' AND "Wicket" = '2nd'