CREATE TABLE table_38179 ("Round" TEXT, "Venue" TEXT, "Discipline" TEXT, "Date" TEXT, "Winner" TEXT, "Second" TEXT, "Third" TEXT)

Who was the winner on 28 December 2007?
SELECT "Winner" FROM table_38179 WHERE "Date" = '28 december 2007'
SELECT "Winner" FROM "table_38179" WHERE "Date" = '28 december 2007'