Table: chargers_1989
Columns: week
date
opponent
result
attendance

Question: What is the sum of the attendance during the game against the philadelphia eagles after week 9?
SQL: SELECT SUM("attendance") FROM chargers_1989 WHERE "opponent" = 'philadelphia eagles' AND "week" > 9

Question: What is the total number of fans attending the game on October 8, 1989 before week 5?
SQL: SELECT COUNT("attendance") FROM chargers_1989 WHERE "date" = 'october 8, 1989' AND "week" < 5