CREATE TABLE table_61451 ("Class" TEXT, "DRG Number ( s ) " TEXT, "Quantity" FLOAT, "Year ( s )  of Manufacture" TEXT, "Type" TEXT)

What is the quantity when the DRG was E 62 01 E 62 05?
SELECT COUNT("Quantity") FROM table_61451 WHERE "DRG Number(s)" = 'e 62 01–e 62 05'
SELECT COUNT("Quantity") FROM "table_61451" WHERE "DRG Number(s)" = 'e 62 01–e 62 05'