CREATE TABLE table_52233 ("Date" TEXT, "Venue" TEXT, "Score" TEXT, "Result" TEXT, "Competition" TEXT)

The 2002 African Cup of Nations was held on what date?
SELECT "Date" FROM table_52233 WHERE "Competition" = '2002 african cup of nations'
SELECT "Date" FROM "table_52233" WHERE "Competition" = '2002 african cup of nations'