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

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'