CREATE TABLE table_13653 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

Who were the Opponents on December 18, 2005?
SELECT "Opponent" FROM table_13653 WHERE "Date" = 'december 18, 2005'
SELECT "Opponent" FROM "table_13653" WHERE "Date" = 'december 18, 2005'