CREATE TABLE table_65710 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" TEXT)

What is the Week number on December 18, 1960?
SELECT COUNT("Week") FROM table_65710 WHERE "Date" = 'december 18, 1960'
SELECT COUNT("Week") FROM "table_65710" WHERE "Date" = 'december 18, 1960'