CREATE TABLE table_21915 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Game site" CLOB, "Record" CLOB, "Attendance" FLOAT)

How many people attended the Week 8 game when Denver played Buffalo?
SELECT "Attendance" FROM table_21915 WHERE "Week" = '8'
SELECT "Attendance" FROM "table_21915" WHERE "Week" = '8'