CREATE TABLE table_49615 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What is Tournament, when Date is 'Sep 12, 1976'?
SELECT "Tournament" FROM table_49615 WHERE "Date" = 'sep 12, 1976'
SELECT "Tournament" FROM "table_49615" WHERE "Date" = 'sep 12, 1976'