CREATE TABLE table_12455 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" FLOAT)

What is the lowest attendance on October 3, 1965?
SELECT MIN("Attendance") FROM table_12455 WHERE "Date" = 'october 3, 1965'
SELECT MIN("Attendance") FROM "table_12455" WHERE "Date" = 'october 3, 1965'