CREATE TABLE table_37772 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

What is the average attendance for the game before week 4 that was on october 16, 1955?
SELECT AVG("Attendance") FROM table_37772 WHERE "Date" = 'october 16, 1955' AND "Week" < '4'
SELECT AVG("Attendance") FROM "table_37772" WHERE "Date" = 'october 16, 1955' AND "Week" < '4'