CREATE TABLE table_64403 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT, "Arena" TEXT, "Points" FLOAT)

Which Date has an Attendance larger than 16,186, and Points smaller than 52, and a Record of 21 16 9?
SELECT "Date" FROM table_64403 WHERE "Attendance" > '16,186' AND "Points" < '52' AND "Record" = '21–16–9'
SELECT "Date" FROM "table_64403" WHERE "Attendance" > '16,186' AND "Points" < '52' AND "Record" = '21–16–9'