Question: What's the highest week for the day of October 21, 1956?
SQL: SELECT MAX("Week") FROM "2-15955057-1" WHERE "Date" = 'October 21, 1956';

Question: What is the least recent week number when the attendance is 16562?
SQL: SELECT MIN("Week") FROM "2-15955057-1" WHERE "Attendance" = 16562.0;