CREATE TABLE table_5369 ("Date" TEXT, "Result" TEXT, "Score" TEXT, "Brazil scorers" TEXT, "Competition" TEXT)

What Competition had a game on October 31, 1979?
SELECT "Competition" FROM table_5369 WHERE "Date" = 'october 31, 1979'
SELECT "Competition" FROM "table_5369" WHERE "Date" = 'october 31, 1979'