CREATE TABLE table_40279 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" FLOAT)

How many people were in attendance for the game week 15?
SELECT COUNT("Attendance") FROM table_40279 WHERE "Week" = '15'
SELECT COUNT("Attendance") FROM "table_40279" WHERE "Week" = '15'