CREATE TABLE table_36410 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

on april 9 what was the attendance?
SELECT AVG("Attendance") FROM table_36410 WHERE "Date" = 'april 9'
SELECT AVG("Attendance") FROM "table_36410" WHERE "Date" = 'april 9'