CREATE TABLE table_4534 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

What is the attendance of the game that was played on September 27, 1964?
SELECT MAX("Attendance") FROM table_4534 WHERE "Date" = 'september 27, 1964'
SELECT MAX("Attendance") FROM "table_4534" WHERE "Date" = 'september 27, 1964'