CREATE TABLE table_66502 ("Title" TEXT, "Series" TEXT, "Director" TEXT, "Production Num." FLOAT, "Release date" TEXT)

How many production numbers have a Title of bosko in dutch?
SELECT SUM("Production Num.") FROM table_66502 WHERE "Title" = 'bosko in dutch'
SELECT SUM("Production Num.") FROM "table_66502" WHERE "Title" = 'bosko in dutch'