CREATE TABLE table_41885 ("Month ,  year" TEXT, "Sunk by U-Boat" FLOAT, "Sunk by aircraft" FLOAT, "Sunk by warship or raider" FLOAT, "Sunk by mines" FLOAT, "German submarines lost" FLOAT)

What is the total number sunk by warship or raider with 20 German submarines lost and more than 21616 sunk by aircraft?
SELECT COUNT("Sunk by warship or raider") FROM table_41885 WHERE "German submarines lost" = '20' AND "Sunk by aircraft" > '21616'
SELECT COUNT("Sunk by warship or raider") FROM "table_41885" WHERE "German submarines lost" = '20' AND "Sunk by aircraft" > '21616'