CREATE TABLE table_40786 ("Date" CLOB, "Result" CLOB, "Score" CLOB, "Brazil scorers" CLOB, "Competition" CLOB)

Who played on December 25, 1925?
SELECT "Competition" FROM table_40786 WHERE "Date" = 'december 25, 1925'
SELECT "Competition" FROM "table_40786" WHERE "Date" = 'december 25, 1925'