CREATE TABLE table_203_656 (id DECIMAL, "date" TEXT, "opponent" TEXT, "venue" TEXT, "result" TEXT, "scorers" TEXT, "report" TEXT)

the team that last played on may 17th ,2009
SELECT "opponent" FROM table_203_656 WHERE "date" = 'may 17, 2009 - 15:00'
SELECT "opponent" FROM "table_203_656" WHERE "date" = 'may 17, 2009 - 15:00'