CREATE TABLE table_78479 ("Date" TEXT, "Venue" TEXT, "Score" TEXT, "Result" TEXT, "Competition" TEXT)

Name the date of the uncaf nations cup 2009
SELECT "Date" FROM table_78479 WHERE "Competition" = 'uncaf nations cup 2009'
SELECT "Date" FROM "table_78479" WHERE "Competition" = 'uncaf nations cup 2009'