CREATE TABLE table_75576 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Venue" TEXT, "Attendance" FLOAT)

How many people attended the game on September 19, 1976?
SELECT COUNT("Attendance") FROM table_75576 WHERE "Date" = 'september 19, 1976'
SELECT COUNT("Attendance") FROM "table_75576" WHERE "Date" = 'september 19, 1976'