CREATE TABLE table_51613 ("Date" TEXT, "Opponents" TEXT, "Score" TEXT, "Competition" TEXT, "Match Report" TEXT)

Which competition was held on September 10, 2005?
SELECT "Competition" FROM table_51613 WHERE "Date" = 'september 10, 2005'
SELECT "Competition" FROM "table_51613" WHERE "Date" = 'september 10, 2005'