Question: What Competition had a game on October 31, 1979?
SQL: SELECT "Competition" FROM "2-15152729-6" WHERE "Date" = 'October 31, 1979';

Question: On what Date was Palhinha Brazil Scorers?
SQL: SELECT "Date" FROM "2-15152729-6" WHERE "Brazil scorers" = 'Palhinha';

Question: What Brazil scorers have a 1-1 Score?
SQL: SELECT "Brazil scorers" FROM "2-15152729-6" WHERE "Score" = '1-1';

Question: What Brazil scorers have a 2-1 Score?
SQL: SELECT "Brazil scorers" FROM "2-15152729-6" WHERE "Score" = '2-1';

Question: What Competition's Score was 1-2?
SQL: SELECT "Competition" FROM "2-15152729-6" WHERE "Score" = '1-2';