Question: Total weeks of 49980 attendance?
SQL: SELECT SUM("Week") FROM "2-15378820-1" WHERE "Attendance" = 49980.0;

Question: Mean attendance for December 22, 1980?
SQL: SELECT AVG("Attendance") FROM "2-15378820-1" WHERE "Date" = 'December 22, 1980';

Question: Overall attendance for week 4?
SQL: SELECT "Attendance" FROM "2-15378820-1" WHERE "Week" = 4.0;